SCHEDULE 14A INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, For Use of the Commission [ ] Definitive Proxy Statement Only (as permitted by Rule 14a-6(e)(2)) [X] Definitive Additional Materials [ ] Soliciting Material Pursuant to Rule 14a-12 ---------- TIAA - CREF Institutional Mutual Funds (Name of Registrant as Specified in its Charter) ---------- Payment of Filing Fee (Check the appropriate box): [X] No fee required. [ ] Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11. (1) Title of each class of securities to which transaction applies: (2) Aggregate number of securities to which transaction applies: (3) Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11: (4) Proposed maximum aggregate value of transaction: (5) Total fee paid: [ ] Fee paid previously with preliminary materials. [ ] Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the form or schedule and the date of its filing. (1) Amount Previously Paid: (2) Form, Schedule or Registration Statement No.: (3) Filing Party: (4) Date Filed: TIAA-CREF Institutional Mutual Funds Peer Universe Median and Mean Total Expense Ratios - --------------------------------------------------------------------------------------- Proposed Total Fund Expense Ratio* Median Mean - --------------------------------------------------------------------------------------- Growth Equity 0.50% 1.05% 1.08% - --------------------------------------------------------------------------------------- Growth & Income 0.50% 0.93% 0.96% - --------------------------------------------------------------------------------------- Large-Cap Value 0.50% 1.07% 1.07% - --------------------------------------------------------------------------------------- Mid-Cap Growth 0.55% 1.11% 1.17% - --------------------------------------------------------------------------------------- Mid-Cap Value 0.55% 1.07% 1.11% - --------------------------------------------------------------------------------------- Small-Cap Equity 0.55% 1.15% 1.16% - --------------------------------------------------------------------------------------- Social Choice Equity 0.25% 0.99% 0.97% - --------------------------------------------------------------------------------------- Real Estate Securities 0.59% 1.11% 1.11% - --------------------------------------------------------------------------------------- International Equity 0.59% 1.19% 1.22% - --------------------------------------------------------------------------------------- Inflation-Linked Bond 0.35% 0.35% 0.40% - --------------------------------------------------------------------------------------- Bond 0.34% 0.69% 0.70% - --------------------------------------------------------------------------------------- Money Market 0.15% 0.43% 0.45% - --------------------------------------------------------------------------------------- * This column represents total expenses of the Institutional Class. The proposed total expense ratios for Growth Equity and Growth & Income do not reflect the investment management fee waivers in place until at least April 2007. Had these fee waivers been reflected, the total expense ratios for Growth Equity and Growth & Income would have been 0.13% and 0.13%, respectively. Source: Lipper, Inc. Fiduciary Global Review group.