EXHIBIT 99.1

Press Release [i2 Logo]

i2 Announces Third Quarter 2003 Results

DALLAS—October 21, 2003, i2 Technologies, Inc. (OTC: ITWO) today announced its results for the third quarter ended September 30, 2003. The Company reported earnings of $0.02 per share for the third quarter of 2003, as compared to breakeven results in the second quarter of 2003 and earnings of $0.07 per share in the third quarter of 2002.

“Across many of the key metrics we track, there are signs that the market for our products and services is beginning to strengthen,” said Sanjiv Sidhu, i2 chairman and CEO. “These signs indicate that the fourth quarter may be a turning point for i2.”

i2 reported total revenues of $117 million in the third quarter of 2003, compared to $122 million in the second quarter of 2003 and $374 million in the third quarter of 2002. Software license revenues totaled $14 million for the third quarter of 2003, compared to $17 million in the second quarter of 2003 and $21 million in the third quarter of 2002.

Total revenues for the third quarter also included $36 million in contract revenue consisting of $31 million in revenue deferred from earlier periods as a result of the Company’s recent restatement and $5 million in revenue attributable to development services projects.

Total costs and operating expenses for the third quarter of 2003 were $103 million, including approximately $4 million of expenses related to contract revenue which were deferred from prior periods as a result of the Company’s recent restatement. This compares to $119 million in total costs and operating expenses in the second quarter of 2003 and $331 million in the third quarter of 2002, which included an $89 million restructuring charge. Operating income for the third quarter of 2003 totaled $14 million.

The Company ended the quarter with $337 million in total cash and investments, a decrease of $18 million from the prior quarter.

Management will host a conference call with investors to discuss third quarter results at 4 p.m. Central today. The call is available via webcast at http://www.i2.com/investors.

About i2

A leading provider of end-to-end supply chain management solutions, i2 designs and delivers software that helps customers optimize and synchronize activities involved in successfully managing supply and demand. i2 has more than 1,000 customers worldwide—many of which are market leaders—including seven of the Fortune global top 10. Founded in 1988 with a commitment to customer success, i2 remains focused on delivering value by implementing solutions designed to provide a rapid return on investment. Learn more at www.i2.com.

i2 is a registered trademark of i2 Technologies US, Inc. and i2 Technologies, Inc.

i2 Cautionary Language

This press release contains forward-looking statements that involve risks and uncertainties, including forward-looking statements regarding our prospects, customer interest in our products and the effectiveness of certain of our organizational improvements. These forward-looking statements involve risks and uncertainties that may cause actual results to differ from these expectations. Factors that could cause actual results to differ could include: the effects of competition; lack of improvement in the pace of IT spending; general economic conditions; and the failure of our customers to successfully implement our solutions or to achieve benefits

attributable to our products. For a discussion of factors which could cause actual results to differ materially from those projected in forward-looking statements, please refer to i2’s recent filings with the SEC, particularly the Annual Report on Form 10-K filed July 21, 2003 and the Quarterly Reports on Form 10-Q filed on August 12, 2003 and August 14, 2003. i2 assumes no obligation to update the forward-looking information contained in this news release.

For further information, please contact:

Melanie Ofenloch

i2 Corporate Communications

469-357-3027

melanie_ofenloch@i2.com

Barry Sievert

i2 Investor Relations

469-357-1000

investor@i2.com

I2 TECHNOLOGIES, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(In thousands, except per share data)

(Unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2003			2002			2003			2002
Revenues:
Software licenses	$	14,199		$	21,451		$	50,619		$	66,822
Contract		36,184			286,694			132,591			453,454
Services		31,820			33,059			109,998			110,081
Maintenance		35,116			33,263			104,054			109,130
Total revenues		117,319			374,467			397,262			739,487
Costs and expenses:
Cost of revenues:
Software licenses		(693	)		(516	)		2,160			1,189
Contract		9,775			65,271			28,638			133,191
Amortization of acquired technology		145			2,970			435			15,012
Services and maintenance		34,882			31,011			114,094			99,000
Sales and marketing		20,915			40,769			68,042			166,983
Research and development		20,318			45,680			62,676			149,749
General and administrative		12,708			16,256			50,703			54,765
Amortization of intangibles		39			3,569			501			10,801
Impairment of intangibles		—			37,660			—			37,660
Restructuring charges and adjustments		5,202			88,774			5,578			88,843
Total costs and expenses		103,291			331,444			332,827			757,193
Operating income (loss)		14,028			43,023			64,435			(17,706	)
Other income (expense), net:
Interest income		920			2,919			4,055			11,710
Interest expense		(4,715	)		(5,812	)		(15,955	)		(17,389	)
Realized gains (losses) on investments, net		(1	)		(2,485	)		(1	)		1,777
Foreign currency hedge and transaction gains (losses), net		180			(901	)		(413	)		(2,512	)
Gain on early repayment of debt obligation		—			—			3,435			—
Other		(510	)		(553	)		(1,772	)		(1,423	)
Total other income (expense), net		(4,126	)		(6,832	)		(10,651	)		(7,837	)
Income (loss) before income taxes		9,902			36,191			53,784			(25,543	)
Income tax expense (benefit)		2,765			2,125			4,301			889,209
Net income (loss)	$	7,137		$	34,066		$	49,483		$	(914,752	)
Net income (loss) per common share:
Basic	$	0.02		$	0.08		$	0.11		$	(2.14	)
Diluted	$	0.02		$	0.07		$	0.11		$	(2.14	)
Weighted-average common shares outstanding:
Basic		433,428			431,141			433,062			427,740
Diluted		436,417			470,622			451,739			427,740

i2 TECHNOLOGIES, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands, except par value)

(Unaudited)

	September 30, 2003			December 31, 2002
ASSETS
Current assets:
Cash and cash equivalents	$	320,456		$	402,177
Restricted cash		11,535			12,052
Short-term investments, at fair value		5,000			10,000
Accounts receivable, net of allowance for doubtful accounts of $3,349 and $10,368		36,424			45,764
Deferred contract costs		7,930			14,332
Other current assets		21,280			32,721
Total current assets		402,625			517,046
Long-term investments, at fair value		6			33,016
Premises and equipment, net		32,512			59,814
Intangible assets, net		5,194			7,223
Goodwill		16,566			15,854
Other assets		19			270
Total assets	$	456,922		$	633,223
LIABILITIES AND STOCKHOLDERS' DEFICIT
Current liabilities:
Accounts payable	$	21,444		$	24,176
Accrued liabilities		76,379			137,931
Accrued compensation and related expenses		28,209			40,663
Deferred tax liabilities		—			2,246
Current portion of long-term debt		—			60,930
Deferred revenue		223,996			319,292
Total current liabilities		350,028			585,238
Non-current deferred tax liabilities		36			10
Long-term debt		356,800			350,000
Total liabilities		706,864			935,248
Commitments and contingencies
Stockholders’ equity deficit:
Preferred stock, $0.001 par value, 5,000 shares authorized, none issued		—			—
Series A junior participating preferred stock, $0.001 par value, 2,000 shares authorized, none issued		—			—
Common stock, $0.00025 par value, 2,000,000 shares authorized, 434,007 and 432,853 shares issued and outstanding		108			108
Additional paid-in capital		10,378,426			10,378,747
Deferred compensation		(2,165	)		(3,563	)
Accumulated other comprehensive income (loss)		(1,078	)		(2,601	)
Accumulated deficit		(10,625,233	)		(10,674,716	)
Net stockholders’ deficit		(249,942	)		(302,025	)
Total liabilities and stockholders' deficit	$	456,922		$	633,223