August 8, 2012, 5:47 PM UTC

A123 Systms (Nasdaq: AONE) has secured up to a $450 million investment from Chinese auto parts maker Wanxiang Group Corp. www.a123.com

BMC Software (Nasdaq: BMC) has acquired VaraLogix, a Round Rock, Texas–based provider of application release automation solutions. No financial terms were disclosed. www.bmc.com

Boingo Wireless (Nasdaq: WIFI) has agreed to acquire Cloud Nine Media, a San Francisco–based provider of sponsored WiFi services. No financial terms were disclosed. www.boingo.com

Dean Foods Co.
(NYSE: DF) announced plans to spin off natural and organic foods group WhiteWave Foods via a $300 million IPO. J.P. Morgan, Credit Suisse and BoA Merrill Lynch are serving as lead underwriters. www.deanfoods.com

Liberty Media (Nasdaq: LMCA) plans to spin off its Starz pay-television network into an independent company via a tax-free transaction. www.libertymedia.com

Rockwell Automation (NYSE: ROK) has agreed to acquire the assets of the medium-voltage drives business of China’s Harbin Jiuzhou Electric Co. for approximately $83 million. The deal is expected to close in October. www.rockwell.com

USG Corp. (NYSE:USG), a Chicago-based building products company, has agreed to sell its European business operations to Germany’s Gebr. Knauf Verwaltungsgesellschaft KG for approximately $80 million. www.usg.com

Biffa, a British waste management company owned by Montagu Private Equity and Global Infrastructure Partners, has received a £520 million buyout offer from an investor group that includes J.P. Morgan and Chinook Urban Mining. www.biffa.co.uk

Pattern Insight, a Mountain View, Calif.-based data mining and search company, has agreed to sell its Log Insight analytics and log management platform to VMWare Inc. for an undisclosed amount. Pattern Insight backers include Venture Investors. www.patterninsight.com

PTC (Nasdaq: PMTC) has agreed to acquire Servigistics Inc., an Atlanta–based developer of service lifecycle management software, from Marlin Equity Partners. The deal is valued at approximately $220 million in cash. www.servigistics.com

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