Notice of Effectiveness
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: May 5, 2010
Accession Number: 0001193125-10-061928
Submission Type: POS 8C
CIK: 0001326003
Company Name: BlackRock Kelso Capital CORP
File Number: 333-148638