Common use of Joinder Clause in Contracts

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇▇▇RS CAPITAL PARTNERS LTD. BY: /s/ ▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇ ▇▇▇▇▇▇▇▇▇▇▇▇ Signatory Title: ATTORNEY-IN-FACT Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇ DECEDENT’S TRUST B /s/ ▇▇▇▇ ▇ ▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇▇ ▇ ▇▇▇▇▇▇▇▇▇ Signatory Title: TRUSTEE Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇TIGER RATAN CAPITAL MASTER FUND, LTD. /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇▇▇ ▇▇▇▇▇▇▇ Signatory Title: CFO Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B C Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Tatsumi C. Chikagami /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Tatsumi C. Chikagami Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: The ▇▇▇▇▇ and ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Living Trust /s/ ▇▇▇▇▇▇▇ ▇.▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇▇▇ ▇.▇. ▇▇▇▇▇▇▇ Signatory Title: TRUSTEE Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: Connor Defined Benefit Pension Plan /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Signatory Name: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Trustee Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇▇FIELD FAMILY TRUST /s/ ▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇▇ ▇▇▇▇▇ Signatory Title: TRUSTEE Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ & ▇▇▇▇ ▇. ▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ & ▇▇▇▇ ▇. ▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B C Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇▇▇▇ L ▇. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ L ▇▇▇▇▇▇▇, Custodian & Parent Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇ and ▇▇▇▇▇ ▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇ and ▇▇▇▇▇ ▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B C Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. & ▇▇▇▇▇ ▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇ & ▇▇▇▇ ▇▇▇▇▇▇▇ (signature) Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B C Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇FAMILY TRUST U/T/D 7/15/20 /s/ ▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇▇ ▇▇▇▇▇▇ Signatory Title: TRUSTEE Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇▇▇▇/▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇Trust under Declaration of Trust dated 8/1/ 2008 /s/ ▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇ ▇▇▇▇▇ Signatory Title: Trustee Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇▇▇▇ Children Trust /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇-▇▇▇▇▇ Signatory Name: ▇. ▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇-▇▇▇▇▇ Signatory Name: Signatory Title: Trustee Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B C Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇MERIFIN CAPITAL N.V /s/ ▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇ ▇▇▇▇ ▇. ▇▇Signatory Name: ▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇ ▇▇▇▇ Signatory Title: Finabel S.A., Managing Director Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇ ▇. ▇▇▇▇▇▇ Signatory Name: ▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Executive Vice President and General Counsel Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇Woodside Partners /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇▇▇ ▇▇▇▇▇▇▇ Signatory Title: Managing Partner Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B C Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇Partners II, L.P. /s/ ▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇▇▇ ▇▇▇▇▇▇ Signatory Title: Managing Director Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B C Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇▇▇QUANTUM PARTNERS LP BY: QP GP LLC, ITS GENERAL PARTNER BY: /s/ ▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇ ▇▇▇▇▇▇▇▇▇▇▇▇ Signatory Title: ATTORNEY-IN-FACT Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B C Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇Family Trust dated June 5th 2005 /s/ ▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇▇▇ ▇▇▇▇▇ (Trustee) Signatory Title: Trustee Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ Grantor Trust 9/8/11 /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ Signatory Title: Trustee Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B C Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇.▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇.▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B C Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇ ▇▇▇▇▇ & ▇▇▇▇▇▇▇ ▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇ ▇▇▇▇▇ & ▇▇▇▇▇▇▇ ▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B C Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇Telesoft Capital, L.L.C. /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇▇▇ ▇▇▇▇▇ Signatory Title: Manager Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B C Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: The ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Amended & Restated Revocable Trust /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Signatory Title: Trustee Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. L & ▇▇▇▇▇▇▇ ▇ ▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇ ▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the InvestorsInverstors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇– Valeriole Family Trust u/a/d 11/15/95 /s/ ▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇ ▇▇▇▇▇▇▇ Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ Trustee JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇MAHMOODZADEGAN-GAPPY TRUST /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇▇▇▇▇ Signatory Title: TRUSTEE Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ III. /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ III. Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇ ▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇ ▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ CONSULTING, INC. DEFINED BENEFIT PLAN /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇▇ ▇▇▇▇▇▇▇▇ Signatory Title: TRUSTEE Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B C Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇▇▇▇ L ▇. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ L ▇▇▇▇▇▇▇, Custodian & Parent Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇▇▇▇ ▇ ▇▇▇▇▇ Family Trust /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇Signatory Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ Trustee JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: THE ▇▇▇▇▇▇ AND ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ FAMILY TRUST OF 1992 /s/ ▇. ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇, TRUSTEE /s/ ▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇▇▇▇, TRUSTEE Signatory Name: ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ TRUSTEE, TRUSTEE JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇ & ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ JTWROS /s/ ▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇. & ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇▇▇▇▇▇ ▇. ▇▇M & ▇▇▇▇▇▇▇▇▇ /s/ ▇▇ ▇▇▇▇▇▇ ▇. Trust V/A DTD 06/20/2002 /s/ ▇▇▇▇▇▇ ▇ ▇▇▇▇▇▇ Signatory Name: ▇▇▇▇▇ ▇ ▇▇▇▇▇▇ Signatory Title: Trustee Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: The Noah and ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇ Living Trust dated Dec. 6, 2010 /s/ ▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇Signatory Name: ▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Trustee Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: The Restated Profit Sharing Plan FBO ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: ▇▇▇▇ ▇▇▇▇▇ Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ Trustee JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Grantor Trust Dated 2-14-2011 /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ - Trustee Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B C Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: ▇▇▇▇▇▇▇ ▇. ▇▇M & ▇▇▇▇▇▇▇▇▇ /s/ ▇▇ ▇▇▇▇▇▇ ▇. Trust V/A DTD 06/20/200 /s/ ▇▇▇▇▇▇ ▇ ▇▇▇▇▇▇ Signatory Name: ▇▇▇▇▇ ▇ ▇▇▇▇▇▇ Signatory Title: Trustee Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇ & ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇. & ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are Individuals: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Grantor Trust Dated 2-14-20 /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ - Trustee Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B C PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B C Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: THE ▇▇▇▇▇▇ AND ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ FAMILY TRUST OF 1996 /s/ ▇. ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇, TRUSTEE /s/ ▇▇▇▇▇▇ /s/ ▇▇▇▇▇▇▇▇▇▇, TRUSTEE Signatory Name: ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ TRUSTEE, TRUSTEE JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.

Joinder. The undersigned hereby agrees (i) to be bound by and to observe all of the terms and conditions of the Investors’ Rights Agreement as an “Investor” party thereto for all purposes thereunder, (ii) to be bound by and to observe all of the terms and conditions of the Voting Agreement as an “Investor” and “Stockholder” party thereto for all purposes thereunder and (iii) to be bound by and to observe all of the terms and conditions of the First Refusal and Co-Sale Agreement as an “Investor” party thereto for all purposes thereunder. The undersigned hereby authorizes the Company to attach this counterpart signature page to such aforementioned agreements and to make corresponding amendments to the applicable schedules thereto. Investors that are IndividualsEntities: The Noah and ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇ Living Trust date Dec. 6, 2016 /s/ ▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ /s/ ▇▇▇Signatory Name: ▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇ Signatory Name: Signatory Title: Trustee Date of Execution: Immediately Available Funds Delivered to the Company on Execution Hereof: $ JOINDER AND SIGNATURE PAGE TO VIOLIN MEMORY, INC. SERIES B D PREFERRED STOCK PURCHASE AGREEMENT IN WITNESS WHEREOF, the undersigned has executed this Series B D Preferred Stock Purchase Agreement as of the date first above written.