Facebook had only one angel investor, Peter Thiel. Mr.Thiel invested more then once in Facebook, both as an angel and, in later rounds, on behalf of investors in his venture capital firm, Founders Fund. As an Angel, Mr. Thiel invested $500,000 in September 2004. Assuming all the shares he received in the angel round were registered the name Rivendell One LLC, use the information in the prospectus to calculate the following:

1a. Angel Investment in 2004:

1b. Number of shares held by RO LLC: 1c. Price per share paid by Angel:

2a. Start date (assuming it starts 9/15/2004)

2b. What will be the end date?

2c. Number of years?

2d. Annualized Return:

3. Money received by Angel from IPO (after paying underwriting commission)