1. Company Directors - B
2. Blumenthal Daniel H

Insider Trading History of Blumenthal Daniel H

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Blumenthal Daniel H since 2006. The trader's CIK number is 1038736. At the time of the last reporting, Blumenthal Daniel H was the Director of Hyde Park Acquisition Corp. (stock ticker symbol HYDQ). Also see all insider trading activities at Hyde Park Acquisition Corp.

Note that in the past BLUMENTHAL DANIEL H also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Hyde Park Acquisition Corp (HYDQ) by Blumenthal Daniel H

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2008	HYDQ	1,300	$0	0	$0	0	$0

Yearly summary of insider trading at Ansys Inc (ANSS) by Blumenthal Daniel H

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2006	ANSS	0	$0	3,633,540	$161,926,628	0	$0

Insider trading activities at 2 companies by Blumenthal Daniel H:

1. Hyde Park Acquisition Corp (HYDQ)

2. Ansys Inc (ANSS)

Table 1. Insider trading of Hyde Park Acquisition Corp (HYDQ) by Blumenthal Daniel H

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2008-12-23	HYDQ	Buy	1,300	.00	0

Table 2. Insider trading of Ansys Inc (ANSS) by Blumenthal Daniel H

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2006-11-16	ANSS	Sale	3,350,356	48.12	161,235,882
2006-11-09	ANSS	Sale	20,842	.00	0
2006-11-10	ANSS	Sale	25,000	.00	0
2006-11-07	ANSS	Sale	13,448	.00	0
2006-11-08	ANSS	Sale	25,000	.00	0
2006-08-17	ANSS	Sale	50,000	.00	0
2006-08-16	ANSS	Sale	25,000	.00	0
2006-08-10	ANSS	Sale	40,000	.00	0
2006-08-11	ANSS	Sale	7,158	48.25	345,373
2006-08-11	ANSS	Sale	7,158	48.25	345,373
2006-08-10	ANSS	Sale	40,000	.00	0
2006-08-09	ANSS	Sale	29,578	.00	0

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Blumenthal Daniel H (Director of Hyde Park Acquisition Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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