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Atlantic Tele-Network To Join S&P SmallCap 600 Index

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^{Published in Science and Technology on Monday, October 11th 2010 at 11:20 GMT by Market Wire}  

BEVERLY, Mass.--([ BUSINESS WIRE ])--Atlantic Tele-Network,Inc. (NASDAQ: ATNI) today reported that Standard & Poora™s (S&P) will add the Company to the S&P SmallCap 600 Index at the close of trading on October 14, 2010.

"We are very pleased to have been added to this S&P Index as it reflects the significant increase in market valuation that our Company has achieved over the past 18 months"

aWe are very pleased to have been added to this S&P Index as it reflects the significant increase in market valuation that our Company has achieved over the past 18 months,a said Michael T. Prior, Chief Executive Officer.

Introduced in 1994, the S&P SmallCap 600 Index includes publicly traded companies with a market cap between $250 million and $1.2 billion which meet specific Standard & Poora™s criteria of financial viability and investment potential. ATN will be added to the S&P SmallCap 600 GICS Integrated Telecommunication Services Sub-Industry index.

About Atlantic Tele-Network

Atlantic Tele-Network, Inc., headquartered in Beverly, Massachusetts, provides telecommunications services to rural, niche and other under-served markets and geographies in the United States, Bermuda and the Caribbean. Through our operating subsidiaries, we provide both wireless and wireline connectivity to residential and business customers, including a range of mobile wireless solutions, local exchange services and broadband internet services and are the owner and operator of terrestrial and submarine fiber optic transport systems. For more information, please visit [ www.atni.com ].