Response Genetics, Inc. to Release First Quarter 2015 Financial Results and Host Conference Call on May 14, 2015

Response Genetics, Inc. (Nasdaq:RGDX), a company focused on the development and sale of molecular diagnostic tests that help determine a patient's response to cancer therapy, will announce its first quarter financial results for 2015 and give an operational update in a press release to be issued before the market opens on Thursday, May 14, 2015. The company will host a conference call that same day at 10:00 a.m. Eastern time to discuss its financial results.

CONFERENCE CALL DETAILS

To access the conference call by phone on May 14, 2015 at 10:00 a.m. Eastern time, dial [phone] or [phone] for international participants. A telephone replay will be available beginning approximately two hours after the call through May 16, 2015, and may be accessed by dialing [phone] or [phone]. The conference passcode for both the live call and replay is 44097553.

To access the live and archived webcast of the conference call, go to the Investor Relations section of the Company's Web site at http://investor.responsegenetics.com/events.cfm. It is advised that participants connect at least 15 minutes prior to the call to allow for any software downloads that might be necessary. About Response Genetics, Inc.

Response Genetics, Inc. (the "Company") is a CLIA-certified clinical laboratory focused on the development and sale of molecular diagnostic testing services for cancer. The Company's technologies enable extraction and analysis of genetic information derived from tumor cells stored as formalin-fixed and paraffin-embedded specimens. The Company's principal customers include oncologists and pathologists. In addition to diagnostic testing services, the Company generates revenue from the sale of its proprietary analytical pharmacogenomic testing services of clinical trial specimens to the pharmaceutical industry. The Company's headquarters is located in Los Angeles, California. For more information, please visit www.responsegenetics.com.

Forward-Looking Statement Notice

Except for the historical information contained herein, this press release and the statements of representatives of the Company related thereto contain or may contain, among other things, certain forward-looking statements, within the meaning of the Private Securities Litigation Reform Act of 1995.

Such forward-looking statements involve significant risks and uncertainties. Such statements may include, without limitation, statements with respect to the Company's plans, objectives, projections, expectations and intentions, such as the ability of the Company, to provide clinical testing services to the medical community, to continue to strengthen and expand its sales force, to continue to build its digital pathology initiative, to attract and retain qualified management, to continue to strengthen marketing capabilities, to expand the suite of ResponseDX® products, to continue to provide the ResponseDX: Tissue of OriginTM test, the TC/PC pathology partnering program, the ResponseDX: Comprehensive Lung Profile, clinical trial support to pharmaceutical clients, to enter into new collaborations with pharmaceutical clients, to enter into areas of companion diagnostics, to continue to execute on its business strategy and operations, to continue to analyze cancer samples and the potential for using the results of this research to develop diagnostic tests for cancer, the usefulness of genetic information to tailor treatment to patients, and other statements identified by words such as "project," "may," "could," "would," "should," "believe," "expect," "anticipate," "estimate," "intend," "plan" or similar expressions.

These statements are based upon the current beliefs and expectations of the Company's management and are subject to significant risks and uncertainties, including those detailed in the Company's filings with the Securities and Exchange Commission. Actual results, including, without limitation, actual sales results, if any, or the application of funds, may differ from those set forth in the forward-looking statements. These forward-looking statements involve certain risks and uncertainties that are subject to change based on various factors (many of which are beyond the Company's control). The Company undertakes no obligation to publicly update forward-looking statements, whether because of new information, future events or otherwise, except as required by law.

CONTACT: Investor Relations Contact:
         Peter Rahmer
         Trout Group
         646-378-2973
         
         Company Contact:
         Thomas A. Bologna
         Chairman & Chief Executive Officer
         323-224-3900