Two separate reports were released this morning, both bringing upbeat news of increased exit activity (M&A, IPOs) for venture-backed companies in the first quarter of 2010.

We take a look at the most important findings for both the Exit Poll report by Thomson Reuters and the National Venture Capital Association, and Dow Jones VentureSource’s assessment of IPO and M&A activity in the U.S. during the first three months of this year.