Exhibit 99.1

TABLE  - 1

ALLOT COMMUNICATIONS LTD.

AND ITS SUBSIDIARIES

CONSOLIDATED STATEMENTS OF OPERATIONS

(U.S. dollars in thousands, except share and per share data)

	Three Months Ended
	March 31,
	2012		2011
	(Unaudited)
Revenues	$	24,217	$	17,183
Cost of revenues		6,901		4,852
Gross profit		17,316		12,331
Operating expenses:
Research and development costs, net		4,010		2,971
Sales and marketing		7,755		6,314
General and administrative		2,774		1,427
Total operating expenses		14,539		10,712
Operating profit		2,777		1,619
Financial and other income, net		462		92
Profit before income tax expenses		3,239		1,711
Tax expenses		3		85
Net profit		3,236		1,626
Basic net profit per share	$	0.10	$	0.07
Diluted net profit per share	$	0.10	$	0.06
Weighted average number of shares
used in computing basic  net
earnings per share		31,218,667		23,980,623
Weighted average number of shares
used in computing diluted net
earnings per share		32,923,903		25,898,321

TABLE  - 2

ALLOT COMMUNICATIONS LTD.

AND ITS SUBSIDIARIES

RECONCILATION OF GAAP TO NON-GAAP  CONSOLIDATED  STATEMENTS  OF  OPERATIONS

(U.S. dollars in thousands, except per share data)

	Three Months Ended
	March 31,
	2012		2011
	(Unaudited)
GAAP net profit as reported	$	3,236	$	1,626
Non-GAAP adjustments
Expenses recorded for stock-based compensation
Cost of revenues		44		23
Research and development costs, net		188		92
Sales and marketing		318		221
General and administrative		166		181
Expenses related to M&A activities and compliance with regulatory matters
General and administrative		1,045		-
Core technology amortization- cost of revenues		31		30
Total adjustments to operating loss		1,792		547
Financial and other expenses, net
Total adjustments		1,792		547
Non-GAAP net profit	$	5,028	$	2,173
Non- GAAP basic  net profit  per share	$	0.16	$	0.09
Non- GAAP diluted net profit per share	$	0.15	$	0.08
Weighted average number of shares
used in computing basic net
earnings per share		31,218,667		23,980,623
Weighted average number of shares
used in computing diluted net
earnings per share		33,078,735		26,035,245

TABLE  - 3

ALLOT COMMUNICATIONS LTD.

AND ITS SUBSIDIARIES

CONSOLIDATED STATEMENTS OF OPERATIONS on a NON-GAAP BASIS

(U.S. dollars in thousands, except share and per share data)

	Three Months Ended
	March 31,
	2012		2011
	(Unaudited)
Revenues	$	24,217	$	17,183
Cost of revenues		6,826		4,799
Gross profit		17,391		12,384
Operating expenses:
Research and development costs, net		3,822		2,879
Sales and marketing		7,437		6,093
General and administrative		1,563		1,246
Total operating expenses		12,822		10,218
Operating profit		4,569		2,166
Financial and other income, net		462		92
Profit before income tax expenses		5,031		2,258
Tax expenses		3		85
Net profit		5,028		2,173
Basic net profit per share	$	0.16	$	0.09
Diluted net profit per share	$	0.15	$	0.08
Weighted average number of shares
used in computing basic  net
earnings per share		31,218,667		23,980,623
Weighted average number of shares
used in computing diluted net
earnings per share		33,078,735		26,035,245

TABLE  - 4

ALLOT COMMUNICATIONS LTD.

AND ITS SUBSIDIARIES

CONSOLIDATED  BALANCE  SHEETS

(U.S. dollars in thousands)

	March 31,		December 31,
	2012		2011
	(Audited)		(Audited)
ASSETS
CURRENT ASSETS:
Cash and cash equivalents	$	140,902	$	116,682
Short term deposits		6,000		24,000
Marketable securities and restricted cash		18,535		18,718
Trade receivables, net		16,313		11,926
Other receivables and prepaid expenses		5,839		5,950
Inventories		10,652		10,501
Total current assets		198,241		187,777
LONG-TERM ASSETS:
Severance pay fund		184		178
Other assets		357		356
Total long-term assets		541		534
PROPERTY AND EQUIPMENT, NET		5,406		5,352
GOODWILL AND INTANGIBLE ASSETS, NET		3,364		3,395
Total assets	$	207,552	$	197,058
LIABILITIES AND SHAREHOLDERS' EQUITY
CURRENT LIABILITIES:
Trade payables	$	5,939	$	2,684
Deferred revenues		18,590		16,694
Other payables and accrued expenses		8,432		9,462
Total current liabilities		32,961		28,840
LONG-TERM LIABILITIES:
Deferred revenues		4,745		5,430
Accrued severance pay		219		219
Total long-term liabilities		4,964		5,649
SHAREHOLDERS' EQUITY		169,627		162,569
Total liabilities and shareholders' equity	$	207,552	$	197,058

TABLE  - 5

ALLOT COMMUNICATIONS LTD.

AND ITS SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(U.S. dollars in thousands)

	Three Months Ended
	March 31,
	2012			2011
	(Unaudited)
Cash flows from operating activities:
Net income	$	3,236		$	1,626
Adjustments to reconcile net income  to net cash provided by  operating activities:
Depreciation		645			661
Stock-based compensation related to options granted to employees and non-employees		716			517
Amortization of intangible assets		31			30
Capital loss (gain)		4			(4	)
Decrease (Increase) in accrued severance pay, net		(6	)		3
Increase in other assets		(1	)		(3	)
Decease (Increase) in accrued interest and  amortization of premium on marketable securities		37			(1	)
Increase in trade receivables		(4,387	)		(2,768	)
Decrease (Increase) in other receivables and prepaid expenses		224			(94	)
Increase in inventories		(151	)		(814	)
Increase in trade payables		3,255			27
Increase (Decrease) in employees and payroll accruals		265			(592	)
Increase in deferred revenues		1,211			1,459
Increase (Decrease) in other payables and accrued expenses		(677	)		918
Net cash provided by operating activities		4,402			965
Cash flows from investing activities:
Increase in restricted deposit		(44	)		(486	)
Redemption of short-term deposits		18,000			-
Purchase of property and equipment		(703	)		(710	)
Proceeds from sale of property and equipment		-			30
Investment in marketable securities		(251	)		(853	)
Proceeds from redemption or sale of marketable securities		450			800
Net cash provided by (used in) investing activities		17,452			(1,219	)
Cash flows from financing activities:
Proceeds from exercise of options		2,366			1,253
Net cash provided by financing activities		2,366			1,253
Increase in cash and cash equivalents		24,220			999
Cash and cash equivalents at the beginning of the year		116,682			42,858
Cash and cash equivalents at the end of the year	$	140,902		$	43,857