Press Releases

Advanced Cell Technology to Present at the 11th Annual B. Riley & Co. Investor Conference in Santa Monica, California

May 25, 2010, WORCESTER, MA - (BUSINESS WIRE) Advanced Cell Technology, Inc. ("ACT”; OTCBB: ACTC), a leader in the field of regenerative medicine, announced today that the company's Chairman and Chief Executive Officer, William M. Caldwell IV, will be presenting at the 11th Annual B. Riley & Co. Investor Conference at the Loews Santa Monica Beach Hotel, in Santa Monica, California. The presentation is on Wednesday, May 26, at 3:00PM PDT. The presentation will be posted to ACT's website at http://www.advancedcell.com following the conference. More information about the conference is available at http://www.brileyco.com.

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 http://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, 2009.

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.

Contact

http://cts.businesswire.com/ct/CT?id=bwnews&sty=20100317006132r1&sid=yatoo&distro=nxContact:

Investors:
CEOcast, Inc. for Advanced Cell
Dan Schustack, 212-732-4300
or

Press:
Gotham Communications, LLC
Bill Douglass, 646-450-3615