ADTRAN (ADTN) 8-K ADTRAN, Inc. Reports Results for the Fourth Quarter and Full Year 2011 and Declares Quarterly Cash Dividend

EXHIBIT 99.2

Product and Segment Revenues
Unaudited
(In thousands)

	Three Months Ended						Twelve Months Ended
	December 31,						December 31,
		2011			2010			2011			2010
Product Revenues:
Carrier Systems	$	101,271		$	81,724		$	420,289		$	289,314
Business Networking		45,205			34,781			162,186			127,233
Loop Access		28,810			48,824			134,754			189,127
Total	$	175,286		$	165,329		$	717,229		$	605,674
Subcategories included in the above:
Broadband Access (included in Carrier Systems)	$	73,978		$	49,684		$	289,776		$	176,116
Optical Access (included in Carrier Systems)		17,313			20,200			82,535			66,206
Internetworking (Netvanta & Multi-service Access Gateways) (included in Business Networking)		43,118			31,563			151,536			111,123
Total Core Products	$	134,409		$	101,447		$	523,847		$	353,445
Percentage of Total Revenue		77	%		61	%		73	%		58	%
HDSL (does not include T1) (included in Loop Access)	$	26,685		$	45,762		$	126,976		$	177,249
Other Products (excluding HDSL)		14,192			18,120			66,406			74,980
Total Legacy Products	$	40,877		$	63,882		$	193,382		$	252,229
Percentage of Total Revenue		23	%		39	%		27	%		42	%
Total	$	175,286		$	165,329		$	717,229		$	605,674
Segment Revenues:
Carrier Networks	$	134,235		$	130,346		$	569,579		$	476,030
Enterprise Networks		41,051			34,983			147,650			129,644
Total	$	175,286		$	165,329		$	717,229		$	605,674
Sales by Geographic Region:
United States	$	148,535		$	156,851		$	632,795		$	573,845
International		26,751			8,478			84,434			31,829
Total	$	175,286		$	165,329		$	717,229		$	605,874