X0305 4 2012-05-11 0 0001379785 Triangle Capital CORP TCAP 0001170913 GAMBILL MARK M 3700 GLENWOOD AVENUE SUITE 530 RALEIGH NC 27612 1 0 0 0 Common Stock 2012-05-11 4 P 0 5000 20.00 A 10743.8 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.97 to $20.00, inclusive. The reporting person undertakes to provide to Triangle Capital Corporation, any security holder of Triangle Capital Corporation or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. /s/ Helen W. Brown, Attorney-in-Fact for Mark M. Gambill 2012-05-14