OFFER TO PURCHASE FOR CASH
Class B-3 Common Stock of Piedmont Office Realty Trust, Inc.
$14.00 PER SHARE
Series C (PDM B-3) of Tender Investors, LLC, a Delaware series limited liability company
THE OFFER, WITHDRAWAL RIGHTS, AND PRORATION PERIOD WILL EXPIRE AT 11:59 P.M.
EASTERN TIME, ON OCTOBER 15, 2010 (“THE EXPIRATION DATE”) UNLESS THE OFFER IS
To the shareholders of Piedmont Office Realty Trust, Inc.. (“Corporation”):
This offer is being made by Series C (PDM B-3) of Tender Investors, LLC, a Delaware series limited liability
company (the “Purchaser”) and can be deemed also to be made by the manager of the Purchaser, Tender
Investors Manager LLC (the “Manager”) and the sole member of the Manager, Apex Real Estate Advisors,
LLC (“Apex”). The Purchaser hereby seeks to acquire 2,100,000 Class B-3 shares of common stock of the
Corporation (the “Shares”). The Purchaser is not affiliated with the Corporation or its management. The
Purchaser hereby offers to purchase 2,100,000 Shares at a purchase price equal to $14.00 per share l ess the
amount of any dividends declared or made with respect to the Shares between August 3 and October 15, 2010
or such other date to which this offer may be extended (the “Expiration Date”), in cash, without interest, upon the
terms and subject to the conditions set forth in this offer to purchase (the “Offer to Purchase”) and in the related
Assignment Form, as each may be supplemented or amended from time to time (which together constitute the
“Offer”). As noted above, the Offer price would be subject to reduction for dividends made or declared prior to
the Expiration Date . If at least ten business days do not remain in the offer at such time such a distribution is
announced, then the Offer will be extended for ten business days after such distribution is announced.