News Release

Rosetta Stone to Report Fourth Quarter 2014 Financial Results on March 11

(Thomson Reuters ONE via COMTEX) --Rosetta Stone to Report Fourth Quarter 2014 Financial Results on March 11

ARLINGTON, VA - February 25, 2015 - Rosetta Stone Inc. (NYSE: RST), a world leader in technology-based learning solutions, today announced it will report its fourth quarter 2014 financial results, for the period ended December 31, 2014, after the U.S. financial markets close on March 11, 2015. In conjunction with this announcement, Rosetta Stone's management team will host a conference call at 5:30 p.m. ET that day to discuss the Company's results and business outlook.

Investors may dial into the live conference call using 1-201-689-8470 (toll / international) or 1-877-407-9039 (toll-free). A live webcast will also be available in the investor relations section of the Company's website at http://investors.rosettastone.com.

A replay will be made available soon after the live conference call is completed and will remain available until midnight on March 18. Investors may dial into the replay using 1-858-384-5517 and passcode 13601732. The webcast replay will remain accessible for one year in the investor relations section of the Company's website at http://investors.rosettastone.com.

About Rosetta Stone

Rosetta Stone Inc. (NYSE: RST) is dedicated to changing the way the world learns. The Company's innovative technology-driven language and reading solutions are used by thousands of schools, businesses, government organizations and millions of individuals around the world. Founded in 1992, Rosetta Stone pioneered the use of interactive software to accelerate language learning. Today the Company offers courses in 30 languages, from the most commonly spoken (such as English, Spanish and Mandarin) to the less prominent (including Swahili, Swedish and Tagalog). Rosetta Stone has expanded beyond language and deeper into education-technology with its acquisitions of Livemocha, Lexia Learning, Vivity Labs, and Tell Me More. Rosetta Stone is based in Arlington, VA, and has offices around the world. For more information, visit www.rosettastone.com.

"Rosetta Stone" is a registered trademark or trademark of Rosetta Stone Ltd. in the United States and other countries.

Investors:

Frank Milano

ir@rosettastone.com

703-387-5876

Media Contact:

Michelle Alvarez

malvarez@rosettastone.com

703-387-5862

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This announcement is distributed by NASDAQ OMX Corporate Solutions on behalf of NASDAQ OMX Corporate Solutions clients.

The issuer of this announcement warrants that they are solely responsible for the content, accuracy and originality of the information contained therein.

Source: Rosetta Stone via Globenewswire

HUG#1896913

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Statements in this press release regarding Rosetta Stone PR's business which are not historical facts are "forward-looking statements" that involve risks and uncertainties. For a discussion of such risks and uncertainties, which could cause actual results to differ from those contained in the forward-looking statements, see "Risk Factors" in the Company's Annual Report or Form 10-K for the most recently ended fiscal year.