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The sole general partner of North Island Holdings I GP, LP is North Island Ventures, LLC.  Messrs. Hutchins and Greifeld, directly and/or indirectly through North Island L.L.C. and West Meadow Group LLC, respectively, each control 50% of the membership interests in North Island Ventures, LLC.  Each of North Island Holdings I GP, LP, North Island Ventures, LLC, North Island L.L.C., and West Meadow Group LLC and Messrs. 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The reporting person undertakes to provide to Nasdaq, any security holder of Nasdaq or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Represents (i) 338,052 shares of common stock acquired upon exercise of vested stock options, (ii) 126,169 vested shares of restricted stock, (iii) 523,992 vested shares underlying PSUs and (iv) 1,602 shares purchased under the Employee Stock Purchase Plan."}],"balance_after":989815,"source":{"system":"sec-edgar","filing":"0001209191-16-153458","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1120193/000120919116153458/doc4.xml","form_type":"4"}},{"id":4533675,"issuer":{"id":3019,"kind":"organization","name":"NASDAQ, INC.","symbol":"NDAQ"},"owners":[{"id":125693,"kind":"person","name":"GREIFELD ROBERT","position":1,"cik":"0001214669","reported_name":"GREIFELD ROBERT","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock, par value $0.01 per share","published_at":"2016-12-05T22:36:26.000Z","date":"2016-12-02","kind":"exercise","acquired":true,"shares":4781,"price":35.92,"value":171733.52,"ownership":{"direct":true},"balance_after":994596,"source":{"system":"sec-edgar","filing":"0001209191-16-153458","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1120193/000120919116153458/doc4.xml","form_type":"4"}},{"id":4533674,"issuer":{"id":3019,"kind":"organization","name":"NASDAQ, INC.","symbol":"NDAQ"},"owners":[{"id":125693,"kind":"person","name":"GREIFELD ROBERT","position":1,"cik":"0001214669","reported_name":"GREIFELD ROBERT","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock, par value $0.01 per share","published_at":"2016-12-05T22:36:26.000Z","date":"2016-12-01","kind":"sale","acquired":false,"shares":40622,"price":63.58,"value":2582746.76,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in this box is a weighted average price. 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The reporting person undertakes to provide to Nasdaq, any security holder of Nasdaq or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4."}],"balance_after":989815,"source":{"system":"sec-edgar","filing":"0001209191-16-153458","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1120193/000120919116153458/doc4.xml","form_type":"4"}},{"id":4533673,"issuer":{"id":3019,"kind":"organization","name":"NASDAQ, INC.","symbol":"NDAQ"},"owners":[{"id":125693,"kind":"person","name":"GREIFELD ROBERT","position":1,"cik":"0001214669","reported_name":"GREIFELD ROBERT","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock, par value $0.01 per share","published_at":"2016-12-05T22:36:26.000Z","date":"2016-12-01","kind":"exercise","acquired":true,"shares":40622,"price":35.92,"value":1459142.24,"ownership":{"direct":true},"balance_after":1030437,"source":{"system":"sec-edgar","filing":"0001209191-16-153458","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1120193/000120919116153458/doc4.xml","form_type":"4"}},{"id":4537380,"issuer":{"id":3019,"kind":"organization","name":"NASDAQ, INC.","symbol":"NDAQ"},"owners":[{"id":125693,"kind":"person","name":"GREIFELD ROBERT","position":1,"cik":"0001214669","reported_name":"GREIFELD ROBERT","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2016-12-01T21:59:33.000Z","date":"2016-11-29","kind":"exercise","acquired":false,"shares":48597,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Options exercisable as to 100%."}],"balance_after":111403,"derivative":{"exercise_price":35.92,"expiration_date":"2016-12-13","underlying":"Common Stock","underlying_shares":48597},"source":{"system":"sec-edgar","filing":"0001209191-16-152690","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1120193/000120919116152690/doc4.xml","form_type":"4"}},{"id":4537379,"issuer":{"id":3019,"kind":"organization","name":"NASDAQ, INC.","symbol":"NDAQ"},"owners":[{"id":125693,"kind":"person","name":"GREIFELD ROBERT","position":1,"cik":"0001214669","reported_name":"GREIFELD ROBERT","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock, par value $0.01 per share","published_at":"2016-12-01T21:59:33.000Z","date":"2016-11-29","kind":"sale","acquired":false,"shares":48597,"price":65.26,"value":3171440.22,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in this box is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.95 to $65.45, inclusive. The reporting person undertakes to provide to Nasdaq, any security holder of Nasdaq or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents (i) 338,052 shares of common stock acquired upon exercise of vested stock options, (ii) 126,169 vested shares of restricted stock, (iii) 523,992 vested shares underlying PSUs and (iv) 1,602 shares purchased under the Employee Stock Purchase Plan."}],"balance_after":989815,"source":{"system":"sec-edgar","filing":"0001209191-16-152690","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1120193/000120919116152690/doc4.xml","form_type":"4"}},{"id":4537378,"issuer":{"id":3019,"kind":"organization","name":"NASDAQ, INC.","symbol":"NDAQ"},"owners":[{"id":125693,"kind":"person","name":"GREIFELD ROBERT","position":1,"cik":"0001214669","reported_name":"GREIFELD ROBERT","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock, par value $0.01 per share","published_at":"2016-12-01T21:59:33.000Z","date":"2016-11-29","kind":"exercise","acquired":true,"shares":48597,"price":35.92,"value":1745604.24,"ownership":{"direct":true},"balance_after":1038412,"source":{"system":"sec-edgar","filing":"0001209191-16-152690","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1120193/000120919116152690/doc4.xml","form_type":"4"}}]}