Mid Cap Growth Fund Institutional Shares (HAMGX) 09/08/2010

NAV $7.10

Change 0.85% 

YTD Return 1.14%

Performance data shown represents past performance, which is no guarantee of future results. Current performance may be higher or lower than the performance data shown. Investment returns and the value of an investment will fluctuate, and an investor's shares, when sold, may be worth more or less than their original cost. You can obtain performance data current to the most recent month-end (available within seven business days after the most recent month-end) by calling 800-422-1050 or visiting www.harborfunds.com.

The Harbor Funds performance shown assumes the reinvestment of dividend and capital gain distributions and is net of management fees and expenses. Returns for periods less than one year are not annualized.

From time to time, certain fees and/or expenses have been voluntarily waived, which has resulted in higher returns. Without these waivers, the returns would have been lower. Voluntary waivers may be applied or discontinued at any time without notice.

The Russell Midcap® Growth Index is an unmanaged index generally representative of the U.S. market for medium capitalization growth stocks. This unmanaged index does not reflect fees and expenses and is not available for direct investment. The Russell Midcap® Growth Index and Russell® are trademarks of Russell Investments.

The Harbor Mid Cap Growth Fund received a 4-star Overall Morningstar Rating™ as of 07/31/2010 out of 695 Mid-Cap Growth funds. Mid Cap Growth Fund was rated 3-star among 695 and 4-star among 606 domestic Mid-Cap Growth funds for the three- and five-year periods ended 07/31/2010, respectively. The Morningstar Rating is for the Institutional share class only; other classes may have different performance characteristics.

For each fund with at least a three-year history, Morningstar calculates a Morningstar Rating™ based on a Morningstar risk-adjusted return measure that accounts for variations in a fund's monthly performance (including the effects of sales charges, loads, and redemption fees), placing more emphasis on downward variations and rewarding consistent performance. The top 10% of funds in each category receive 5 stars, the next 22.5% receive 4 stars, the next 35% receive 3 stars, the next 22.5% receive 2 stars and the bottom 10% receive 1 star. The Overall Morningstar Rating for a fund is derived from a weighted average of the performance figures associated with its three-, five- and ten-year (if applicable) Morningstar Rating metrics.

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