This excerpt taken from the UNH DEF 14A filed Apr 28, 2008.
The first paragraph of the Shares to be Sold section of the Plan is hereby amended and restated in its entirety to read as follows:
Section 14.01. The Common Stock to be issued and sold under the Plan may be authorized but unissued shares, or the Company may go into the market and purchase shares for sale under the Plan. Except as provided in Section 12.01, the aggregate number of shares of authorized but unissued Common Stock to be sold under the Plan on or after the Adoption Date shall not exceed 15,000,000. If on a given Purchase Date the number of shares to be purchased exceeds the number of shares then available under the Plan or the Maximum Offering, if any, that may be issued on any given Purchase Date, the Company shall make a pro rata allocation of the shares remaining available for purchase in as uniform a manner as shall be practicable and as it shall determine to be equitable. The pro rata allocation shall be limited, in the case of exceeding the Maximum Offering, to those Participants in the countries, locations or Participating Affiliates in the specified Maximum Offering.