[OppenheimerFunds, Inc. IRS No. 13-2527171 2. Check the Appropriate Box if a Member of a Group (See Instructions): Joint filing 3. SEC Use Only 4. Citizenship or Place of Organization: Colorado Number of Shares Beneficially Owned by Each Reporting Person With: 5. Sole Voting Power: 0 6. Shared Voting Power: 5,599,100 7. Sole Dispositive Power: 0 8. Shared Dispositive Power:]