KKR has agreed to sell around 24.5 million common shares of Alliance Imaging Inc. (NYSE: AIQ) to Oaktree Capital Management and MTS Health Investors for $6.25 per share, or around $153.1 million. Oaktree and MTS will own a combined 49.7% stake in the diagnostic imaging company, while KKR will retain less than a 3% position. Oaktree and MTS are not entering into any management fee arrangement with the company. www.allianceimaging.com