Advanced Cell Technology to Announce Second Quarte

Advanced Cell Technology to Announce Second Quarter Financial Results on Wednesday, August 8th

Company to Hold Conference Call at 4:30 p.m. Eastern Time

MARLBOROUGH, Mass. — July 31, 2012 – Advanced Cell Technology, Inc. (“ACT”; OTCBB: $ACTC), a leader in the field of regenerative medicine, announced today that it will release its second quarter financial results for the period ended June 30, 2012 on Wednesday, August 8 ^th , after the market closes. The company will hold a conference call and webcast to discuss the results and provide a corporate update at 4:30 p.m. eastern time that day.

Interested parties may access the call live by dialing (888) 264-3177 or 706-902-4345 and using conference ID 90962449. This event is also being streamed via webcast. The webcast is available at:

http://us.meeting-stream.com/advancedcelltechnology080812 . A replay of the call will also be available via the same link.

About Advanced Cell Technology, Inc.

Advanced Cell Technology, Inc., is a biotechnology company applying cellular technology in the field of regenerative medicine. For more information, visit www.advancedcell.com .

Forward-Looking Statements

Statements in this news release regarding future financial and operating results, future growth in research and development programs, potential applications of our technology, opportunities for the company and any other statements about the future expectations, beliefs, goals, plans, or prospects expressed by management constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Any statements that are not statements of historical fact (including statements containing the words “will,” “believes,” “plans,” “anticipates,” “expects,” “estimates,” and similar expressions) should also be considered to be forward-looking statements. There are a number of important factors that could cause actual results or events to differ materially from those indicated by such forward-looking statements, including: limited operating history, need for future capital, risks inherent in the development and commercialization of potential products, protection of our intellectual property, and economic conditions generally. Additional information on potential factors that could affect our results and other risks and uncertainties are detailed from time to time in the company’s periodic reports, including the report on Form 10-K for the year ended December 31, 2011. Forward-looking statements are based on the beliefs, opinions, and expectations of the company’s management at the time they are made, and the company does not assume any obligation to update its forward-looking statements if those beliefs, opinions, expectations, or other circumstances should change. Forward-looking statements are based on the beliefs, opinions, and expectations of the company’s management at the time they are made, and the company does not assume any obligation to update its forward-looking statements if those beliefs, opinions, expectations, or other circumstances should change. There can be no assurance that the Company’s clinical trials will be successful.