Common use of Ratification of Guaranty Clause in Contracts

Ratification of Guaranty. As inducement for the Lender to enter into the Amendment Four to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective March 4, 2014, to which this Ratification is affixed, the undersigned Guarantors each hereby agrees to the Amendment, including Section 3.5 thereof. This Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT CORPORATION, an Oklahoma corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By ADDvantage Technologies Group, Inc., Its sole member and manager By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Vice President, Chief Financial Officer and Chief Accounting Officer ▇▇▇▇▇ GLOBAL COMMUNICATIONS, LLC, an Oklahoma limited liability company (formerly known as BROADBAND REMARKETING INTERNATIONAL, LLC) By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer

Ratification of Guaranty. As inducement for the Lender to enter into the Amendment Four Seven to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective March 4October 14, 20142016, to which this Ratification is affixed, the undersigned Guarantors each hereby agrees to the Amendment, including Section 3.5 thereof. This Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT CORPORATIONTULSAT, LLC, an Oklahoma corporation limited liability company, by conversion of Tulsat Corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By ADDvantage Technologies Group, Inc., an Oklahoma corporation, Its sole member and manager By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Vice President, Chief Financial Officer and Chief Accounting Officer ▇▇▇▇▇ GLOBAL COMMUNICATIONSCOMMUNICATIONS COMPANY, LLC, an Oklahoma limited liability a Maryland company (formerly known as BROADBAND REMARKETING INTERNATIONAL, LLC) By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, CFO/Secretary/TreasurerTreasurer ADDVANTAGE ACQUISITION CORPORATION, an Oklahoma corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, CFO/Secretary/Treasurer TULSAT-ARIZONA, LLC, an Oklahoma limited liability company By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Chief Financial Officer, Treasurer and Secretary

Ratification of Guaranty. As inducement for the Lender to enter into the Amendment Four Five to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective March 4November 28, 2014, 2014 to which this Ratification is affixed, the undersigned Guarantors each hereby agrees to the Amendment, including Section 3.5 thereof. This Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT CORPORATIONLLC, an Oklahoma corporation limited liability company, by conversion of Tulsat Corporation By ADDvantage Technologies Group, Inc., an Oklahoma corporation, Its sole member and manager By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By ADDvantage Technologies Group, Inc., an Oklahoma corporation, Its sole member and manager By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Vice President, Chief Financial Officer and Chief Accounting Officer ▇▇▇▇▇ GLOBAL COMMUNICATIONS, LLC, an Oklahoma limited liability company (formerly known as BROADBAND REMARKETING INTERNATIONAL, LLC) By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/TreasurerOfficer

Ratification of Guaranty. As inducement for the Lender to enter into the Amendment Four Nine to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective March 430, 20142018, to which this Ratification is affixed, the undersigned Guarantors each hereby agrees to the Amendment, including Section 3.5 thereof. This Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT CORPORATIONTULSAT, LLC, an Oklahoma corporation By limited liability company, by conversion of Tulsat Corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By By: ADDvantage Technologies Group, Inc., an Oklahoma corporation, Its sole member and manager By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Vice President, Chief Financial Officer and Chief Accounting Officer ▇▇▇▇▇ GLOBAL COMMUNICATIONSCOMMUNICATIONS COMPANY, LLC, an Oklahoma limited liability a Maryland company (formerly known as BROADBAND REMARKETING INTERNATIONAL, LLC) By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, CFO/Secretary/TreasurerTreasurer ADDVANTAGE ACQUISITION CORPORATION, an Oklahoma corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, CFO/Secretary/Treasurer TULSAT-ARIZONA, LLC, an Oklahoma limited liability company By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Chief Financial Officer, Treasurer and Secretary ADDVANTAGE TRITON, LLC, an Oklahoma limited liability company By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇, President

Ratification of Guaranty. As inducement for the Lender to enter into the Fourth Amendment Four to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective March 4November 27, 20142007, to which this Ratification is affixed, the undersigned Guarantors each hereby agrees agree to Section 5 of the AmendmentAmendment and further hereby ratifies and confirms its Guaranty Agreement. Tulsat Corporation, including Section 3.5 thereof. This Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURIan Oklahoma corporation By /s/ ▇▇▇▇▇ Chymaik ▇▇▇▇▇ ▇▇▇▇▇▇▇, INC.President ADDvantage Technologies Group of Missouri, Inc., a Missouri corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, Vice President ADDvantage Technologies Group of Nebraska, Inc., a Nebraska corporation By /s/ ▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇ ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKAVice President ADDvantage Technologies Group of Texas, INC.Inc., a Nebraska Texas corporation By /s/ ▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇ ▇▇▇▇▇▇▇, Vice President NCS Industries, Inc., a Pennsylvania corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT CORPORATION, an Oklahoma corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSATPresident Tulsat-ATLANTAAtlanta, L.L.C., an Oklahoma limited liability company By (a subsidiary of Tulsat Corporation) By: ADDvantage Technologies Group, Inc., Its sole member and manager Manager By /s/ ▇▇▇▇▇ ▇. ▇▇Chymaik ▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Vice PresidentChairman of the Board FOR VALUE RECEIVED, Chief Financial Officer and Chief Accounting Officer ▇▇▇▇▇ GLOBAL COMMUNICATIONSthe undersigned, LLCADDVANTAGE TECHNOLOGIES GROUP, INC., an Oklahoma limited liability company corporation (formerly known "Maker"), promises to pay to the order of BANK OF OKLAHOMA, N.A. ("Lender"), at its offices in Tulsa, Oklahoma, the principal sum of SEVEN MILLION AND NO/100 DOLLARS ($7,000,000.00) or, if less, the aggregate sum of advances made by Lender to Maker under the Revolving Credit and Term Loan Agreement between Maker and Lender dated September 30, 2004 (as BROADBAND REMARKETING INTERNATIONALamended, LLC) By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇the “Credit Agreement”), Secretary/Treasurerpayable as follows:

Ratification of Guaranty. As inducement for the Lender to enter into the Amendment Four Ten to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective March 4May 31, 20142018, to which this Ratification is affixed, the undersigned Guarantors each hereby agrees to the Amendment, including Section 3.5 8.6 thereof. This Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT CORPORATIONTULSAT, LLC, an Oklahoma corporation By limited liability company, by conversion of Tulsat Corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By By: ADDvantage Technologies Group, Inc., an Oklahoma corporation, Its sole member and manager By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Vice President, Chief Financial Officer and Chief Accounting Officer ▇▇▇▇▇ GLOBAL COMMUNICATIONSCOMMUNICATIONS COMPANY, LLC, an Oklahoma limited liability a Maryland company (formerly known as BROADBAND REMARKETING INTERNATIONAL, LLC) By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, CFO/Secretary/TreasurerTreasurer ADDVANTAGE ACQUISITION CORPORATION, an Oklahoma corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, CFO/Secretary/Treasurer TULSAT-ARIZONA, LLC, an Oklahoma limited liability company By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Chief Financial Officer, Treasurer and Secretary ADDVANTAGE TRITON, LLC, an Oklahoma limited liability company By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇, President

Ratification of Guaranty. As inducement for the Lender to enter into the Amendment Four Three to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective March 4November 29, 20142013, to which this Ratification is affixed, the undersigned Guarantors each hereby agrees to the Amendment, including Section 3.5 thereof. This Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT CORPORATION, an Oklahoma corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By ADDvantage Technologies Group, Inc., Inc. Its sole member and manager By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Vice President, Chief Financial Officer and Chief Accounting Officer ▇▇▇▇▇ GLOBAL COMMUNICATIONS, LLC, an Oklahoma limited liability company (formerly known as BROADBAND REMARKETING INTERNATIONAL, LLC) By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer

Ratification of Guaranty. As inducement for the Lender to enter into the Amendment Four Eight to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective March 431, 20142017, to which this Ratification is affixed, the undersigned Guarantors each hereby agrees to the Amendment, including Section 3.5 thereof. This Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT CORPORATIONTULSAT, LLC, an Oklahoma corporation By limited liability company, by conversion of Tulsat Corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By By: ADDvantage Technologies Group, Inc., an Oklahoma corporation, Its sole member and manager By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Vice President, Chief Financial Officer and Chief Accounting Officer ▇▇▇▇▇ GLOBAL COMMUNICATIONSCOMMUNICATIONS COMPANY, LLC, an Oklahoma limited liability a Maryland company (formerly known as BROADBAND REMARKETING INTERNATIONAL, LLC) By By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, CFO/Secretary/TreasurerTreasurer ADDVANTAGE ACQUISITION CORPORATION, an Oklahoma corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, CFO/Secretary/Treasurer TULSAT-ARIZONA, LLC, an Oklahoma limited liability company By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Chief Financial Officer, Treasurer and Secretary ADDVANTAGE TRITON, LLC, an Oklahoma limited liability company By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇, President

Ratification of Guaranty. As inducement for the Lender to enter into the Amendment Four Two to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective March 4November 30, 2014, 2012 to which this Ratification is affixed, the undersigned Guarantors each hereby agrees to the Amendment, including without limitation Section 3.5 thereofof the Amendment. This Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT CORPORATION, an Oklahoma corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By ADDvantage Technologies Group, Inc., Inc. Its sole member and manager By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Vice President, Chief Financial Officer and Chief Accounting Officer ▇▇▇▇▇ GLOBAL COMMUNICATIONS, LLC, an Oklahoma limited liability company (formerly known as BROADBAND REMARKETING INTERNATIONAL, LLC) By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/TreasurerTreasurer [▇▇▇▇▇ BROADBAND INTERNATIONAL, INC. AND TULSAT-PENNSYLVANIA, L.L.C., ARE INTENTIONALLY OMITTED.]

Ratification of Guaranty. As inducement for the Lender to enter into the Amendment Four Six to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective March 4November 27, 20142015, to which this Ratification is affixed, the undersigned Guarantors each hereby agrees to the Amendment, including Section 3.5 thereof. This Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT CORPORATIONTULSAT, LLC, an Oklahoma corporation limited liability company, by conversion of Tulsat Corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By ADDvantage Technologies Group, Inc., an Oklahoma corporation, Its sole member and manager By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Vice President, Chief Financial Officer and Chief Accounting Officer ▇▇▇▇▇ GLOBAL COMMUNICATIONSCOMMUNICATIONS COMPANY, LLC, an Oklahoma limited liability a Maryland company (formerly known as BROADBAND REMARKETING INTERNATIONAL, LLC) By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, CFO/Secretary/TreasurerTreasurer ADDVANTAGE ACQUISITION CORPORATION, an Oklahoma corporation By /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, CFO/Secretary/Treasurer This Restated Guaranty Agreement Joinder Agreement is executed this 27th day of November, 2015 by the undersigned Subsidiary of ADDVANTAGE TECHNOLOGIES GROUP, INC., an Oklahoma corporation (“Borrower”) as required under and pursuant to the Amended and Restated Revolving Credit and Term Loan Agreement, as amended from time to time (“Loan Agreement”) dated November 30, 2010 by and between Borrower and BOKF, NA dba Bank of Oklahoma (“Lender”). The undersigned agrees to the following.