- Expands Growth and Product Opportunities in the Communications, Storage and Security Markets

- Synergistic Combination of Mixed-Signal Technology with High Value System Solutions Delivers Optimized Connectivity Products

- Uniquely Positioned to Address Emerging Deduplication and Secure Backhaul Applications

FREMONT, Calif. and LOS GATOS, Calif., Feb. 23 /PRNewswire-FirstCall/ -- Exar Corporation (Nasdaq: EXAR) and Hifn, Inc. (Nasdaq: HIFN) announced today that they have signed a definitive agreement under which Exar will acquire Hifn. Under the terms of the agreement, which was unanimously approved by the board of directors of each company, Exar will acquire all of the outstanding shares of Hifn common stock pursuant to an exchange offer, followed by a second step merger. In the exchange offer, Hifn stockholders will be able to elect to receive either (i) 0.3529 shares of Exar common stock and $1.60 in cash; or (ii) $4.00 in cash. The exchange offer is subject to customary closing conditions, including the tender in the exchange offer by Hifn stockholders of shares representing at least a majority of the outstanding shares of Hifn common stock on a fully diluted basis, and is anticipated to close early in the second calendar quarter of 2009. Al Sisto, chief executive officer and chairman of the board of directors of Hifn, will join the board of directors of Exar Corporation.

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'We believe we can achieve our strategic and financial objectives more quickly with the Hifn acquisition,' said Pete Rodriguez, Exar's president and chief executive officer. 'The two companies have developed complementary technologies and share a common vision to deliver connectivity and storage solutions that are not only fast, but also efficient and secure. We are delighted to welcome the Hifn team to Exar,' stated Mr. Rodriguez. 'Our combined focus will enable us to realize expanded revenue and market share, aggressively pursue emerging markets, as well as increase overall gross margin.'

'As a developer of analog and mixed-signal semiconductor technology, Exar has focused on creating solutions for high speed connectivity and managing data between computers, over networks and across broadband telecom systems,' said Paul Pickering, Exar senior vice president of marketing. 'For more than a decade, Hifn has been a pioneer in creating advanced technologies that secure and compress data flowing over networks and residing on storage systems. Hifn's semiconductor and software solutions work hand in hand with various high speed connections to ensure optimized performance. We expect to advance our strategic relationship with shared top tier customers including Cisco Systems, Huawei Technologies, HP and Alcatel-Lucent.'

'I am very excited about the compelling synergies of the two companies,' said Albert Sisto, chairman and chief executive officer of Hifn.