X0306 4 2015-04-03 0 0001124608 RESPONSE GENETICS INC RGDX 0001166309 BRIDGER MANAGEMENT, LLC 90 PARK AVENUE, 40TH FLOOR NEW YORK NY 10016 0 0 1 0 0001258394 MIGNONE ROBERTO 90 PARK AVENUE 40TH FLOOR NEW YORK NY 10016 0 0 1 0 0001124973 SWIFTCURRENT OFFSHORE, LTD. 90 PARK AVENUE, 40TH FLOOR NEW YORK NY 10016 0 0 1 0 Warrants (right to buy) .37 2015-04-03 4 J 0 1351352 A 2015-04-03 2021-04-03 Common Stock 1351352 1351352 I See footnotes The warrants were acquired in connection with the Second Amended Credit Agreement dated as of April 3, 2015 (the "Second Amended Credit Agreement") among the Issuer, as the borrower, and the parties thereto, including Swiftcurrent Offshore Master Ltd., as a lender. Swiftcurrent Offshore Ltd. invests substantially all of its assets in Swiftcurrent Offshore Master, Ltd. and may be deemed to share beneficial ownership of the securities owned by Swiftcurrent Offshore Master, Ltd. Pursuant to the Second Amended Credit Agreement, Swiftcurrent Offshore Master Ltd. provided the Issuer with a Term Loan Commitment of $551,000. Swiftcurrent Offshore Master, Ltd. is the owner of record of the warrants reported herein. As stated above, Swiftcurrent Offshore Ltd. invests substantially all of its assets in Swiftcurrent Offshore Master, Ltd. and may be deemed to share beneficial ownership of the securities owned by Swiftcurrent Offshore Master, Ltd. Bridger Management LLC is the investment adviser to Swiftcurrent Offshore Master Ltd. Mr. Mignone is the managing member of Bridger Management, LLC. Each of Bridger Management LLC and Mr. Mignone may be deemed to share beneficial ownership of the securities reported herein. Each reporting person and entity named herein disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein and this report shall not be deemed an admission that the reporting person or any entity named herein is the beneficial owner of the securities for purposes of Section 16, or for any other purpose. /s/ Roberto Mignone, Managing Member of Bridger Management, LLC 2015-04-07 /s/ Roberto Mignone 2015-04-07 /s/ Roberto Mignone, Managing Member of Investment Adviser for Swiftcurrent Offshore, Ltd 2015-04-07