Common use of SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT Clause in Contracts

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT By: /s/ Print Name: Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 Common Shares to be purchased: 342,857 Number of Warrant Shares to be represented by Warrant: 342,857

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT ▇. ▇▇▇▇▇▇ Living Trust By: /s/ Print Name: Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 14,999.88 Common Shares to be purchased: 342,857 107,142 Number of Warrant Shares to be represented by Warrant: 342,857107,142

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇▇ 2010 GRAT ▇▇▇▇▇▇▇ By: /s/ Print Name: ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 7,000.00 Common Shares to be purchased: 342,857 50,000 Number of Warrant Shares to be represented by Warrant: 342,85750,000

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇ ▇▇▇▇▇ 2010 GRAT By: /s/ Print Name: ▇▇▇▇▇ ▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 49,999.88 Common Shares to be purchased: 342,857 357,142 Number of Warrant Shares to be represented by Warrant: 342,857357,142

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT ▇. ▇▇▇▇▇▇ By: /s/ Print Name: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 24,999.94 Common Shares to be purchased: 342,857 178,571 Number of Warrant Shares to be represented by Warrant: 342,857178,571

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT Sandor Capital Master Fund, L.P. By: /s/ Print Name: Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 74,999.96 Common Shares to be purchased: 342,857 535,714 Number of Warrant Shares to be represented by Warrant: 342,857535,714

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT Gamma Investment, L.P. By: /s/ Print Name: Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 99,999.90 Common Shares to be purchased: 342,857 714,285 Number of Warrant Shares to be represented by Warrant: 342,857714,285

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT ▇. ▇▇▇▇▇▇▇▇▇, ▇▇. By: /s/ Print Name: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇, ▇▇. Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 24,999.94 Common Shares to be purchased: 342,857 178,571 Number of Warrant Shares to be represented by Warrant: 342,857178,571

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT Horberg Enterprises Limited Partnership By: /s/ Print Name: Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 74,999.96 Common Shares to be purchased: 342,857 535,714 Number of Warrant Shares to be represented by Warrant: 342,857535,714

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇ ▇▇▇▇▇ 2010 GRAT By: /s/ Print Name: ▇▇▇▇▇ ▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 199,999.94 Common Shares to be purchased: 342,857 1,428,571 Number of Warrant Shares to be represented by Warrant: 342,8571,428,571

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇ ▇. ▇▇▇▇▇ 2010 GRAT By: /s/ Print Name: ▇▇▇▇▇▇ ▇. ▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 24,999.94 Common Shares to be purchased: 342,857 178,571 Number of Warrant Shares to be represented by Warrant: 342,857178,571

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ 2010 GRAT By: /s/ Print Name: ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 99,999.90 Common Shares to be purchased: 342,857 714,285 Number of Warrant Shares to be represented by Warrant: 342,857714,285

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT ▇▇▇▇▇▇▇ By: /s/ Print Name: ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 7,000.00 Common Shares to be purchased: 342,857 50,000 Number of Warrant Shares to be represented by Warrant: 342,85750,000

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇▇ 2010 GRAT ▇▇▇▇▇▇▇▇ By: /s/ Print Name: ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 24,999.94 Common Shares to be purchased: 342,857 178,571 Number of Warrant Shares to be represented by Warrant: 342,857178,571

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT Olyrca Limited Partnership By: /s/ Print Name: Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 9,999.92 Common Shares to be purchased: 342,857 71,428 Number of Warrant Shares to be represented by Warrant: 342,85771,428

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇ ▇▇▇▇▇▇▇ 2010 GRAT By: /s/ Print Name: ▇▇▇▇ ▇▇▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 24,999.94 Common Shares to be purchased: 342,857 178,571 Number of Warrant Shares to be represented by Warrant: 342,857178,571

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT IVC Investors, LLLP By: /s/ Print Name: Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 74,999.96 Common Shares to be purchased: 342,857 535,714 Number of Warrant Shares to be represented by Warrant: 342,857535,714

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT Benz By: /s/ Print Name: ▇▇▇▇▇ Benz Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 79,999.92 Common Shares to be purchased: 342,857 571,428 Number of Warrant Shares to be represented by Warrant: 342,857571,428

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT ▇. ▇▇▇▇▇▇▇▇▇▇ By: /s/ Print Name: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 9,999.92 Common Shares to be purchased: 342,857 71,428 Number of Warrant Shares to be represented by Warrant: 342,85771,428

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT and ▇▇▇▇▇ ▇▇▇▇▇▇▇ TBE By: /s/ Print Name: Title: (if Applicable) [Authorized Person] By: Print Name: Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 249,999.96 Common Shares to be purchased: 342,857 1,785,714 Number of Warrant Shares to be represented by Warrant: 342,8571,785,714

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT Alpha II LP By: /s/ Print Name: Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 49,999.88 Common Shares to be purchased: 342,857 357,142 Number of Warrant Shares to be represented by Warrant: 342,857357,142

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT Family Trust 2008 By: /s/ Print Name: Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 23,999.92 Common Shares to be purchased: 342,857 171,428 Number of Warrant Shares to be represented by Warrant: 342,857171,428

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT BMB Holdings LLLP By: /s/ Print Name: Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 118,499.92 Common Shares to be purchased: 342,857 846,428 Number of Warrant Shares to be represented by Warrant: 342,857846,428

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇ ▇. ▇▇▇▇ 2010 GRAT By: /s/ Print Name: ▇▇▇▇▇▇ ▇. ▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 74,999.96 Common Shares to be purchased: 342,857 535,714 Number of Warrant Shares to be represented by Warrant: 342,857535,714

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT ▇▇▇▇▇▇ By: /s/ Print Name: ▇▇▇▇▇▇▇ ▇▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 74,999.96 Common Shares to be purchased: 342,857 535,714 Number of Warrant Shares to be represented by Warrant: 342,857535,714

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇ ▇▇▇▇▇▇▇ 2010 GRAT By: /s/ Print Name: ▇▇▇▇▇ ▇▇▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 24,999.94 Common Shares to be purchased: 342,857 178,571 Number of Warrant Shares to be represented by Warrant: 342,857178,571

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ 2010 GRAT By: /s/ Print Name: ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 7,000.00 Common Shares to be purchased: 342,857 50,000 Number of Warrant Shares to be represented by Warrant: 342,85750,000

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇ ▇▇▇▇▇▇ 2010 GRAT By: /s/ Print Name: ▇▇▇▇▇ ▇▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 9,999.92 Common Shares to be purchased: 342,857 71,428 Number of Warrant Shares to be represented by Warrant: 342,85771,428

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇ 2010 GRAT Chase Mortgage, Inc. By: /s/ Print Name: Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 70,000 Common Shares to be purchased: 342,857 500,000 Number of Warrant Shares to be represented by Warrant: 342,857500,000

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇▇▇▇▇ 2010 GRAT ▇. ▇▇▇▇▇▇▇▇▇ By: /s/ Print Name: ▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 49,999.88 Common Shares to be purchased: 342,857 357,142 Number of Warrant Shares to be represented by Warrant: 342,857357,142

SIGNATURE PAGE TO SUBSCRIPTION AGREEMENT. Please acknowledge your acceptance of the foregoing Subscription Agreement by signing and returning a copy to the undersigned together with the completed Investor Questionnaire, whereupon this Agreement shall become a binding agreement between us. Your signature below also constitutes your signature to the Investor Questionnaire you have delivered to the Company as of the date indicated below. CHROMADEX CORPORATION a Delaware corporation By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇. Title: President and Chief Executive Officer Dated: April 22, 2010 Name: ▇▇▇▇ ▇. ▇▇▇▇▇ 2010 GRAT By: /s/ Print Name: ▇▇▇▇ ▇. ▇▇▇▇▇ Title: (if Applicable) [Authorized Person] Dated (including date of Investor Questionnaire): April 22, 2010 Facsimile: Purchase Price: $47,999.98 74,999.96 Common Shares to be purchased: 342,857 535,714 Number of Warrant Shares to be represented by Warrant: 342,857535,714