Performance data shown represents past performance and is no guarantee of future results. Past performance is net of management fees and expenses and reflects reinvested dividends and distributions. Past performance reflects the beneficial effect of any expense waivers or reimbursements, without which returns would have been lower. Investment returns and principal value will fluctuate and when redeemed may be worth more or less than their original cost. Returns for periods less than one year are not annualized. Current performance may be higher or lower and is available through the most recent month end at harborfunds.com or by calling 800-422-1050.

From time to time, certain fees and/or expenses have been voluntarily or contractually waived or reimbursed, which has resulted in higher returns. Without these waivers or reimbursements, the returns would have been lower. Voluntary waivers or reimbursements may be applied or discontinued at any time without notice. Only the Board of Trustees may modify or terminate contractual fee waivers or expense reimbursements.

There is no guarantee that the investment objective of the Fund will be achieved. Stock markets are volatile and equity values can decline significantly in response to adverse issuer, political, regulatory, market and economic conditions. Investing in international and emerging markets poses special risks, including potentially greater price volatility due to social, political and economic factors, as well as currency exchange rate fluctuations. These risks are more severe for securities of issuers in emerging market regions. The value of securities selected using quantitative analysis can react differently to issuer, political, market, and economic developments than the market as a whole or securities selected using only fundamental analysis. The factors used in quantitative analysis and the weight placed on those factors may not be predictive of a security's value. In addition, any model may contain flaws or the model may not perform as anticipated.

The MSCI World (ND) Index is a free float-adjusted market capitalization index that is designed to measure global developed market equity performance. This unmanaged index does not reflect fees and expenses and is not available for direct investment.

RIAM US is an affiliate of the Adviser. In providing services to the Fund, RIAM US uses designated persons of its affiliates, including Robeco Nederland B.V. and Robeco Institutional Asset Management B.V. ("RIAM BV"), based in Rotterdam, the Netherlands, Robeco Hong Kong Limited, based in Hong Kong, and Robeco Overseas Investment Fund Management (Shanghai) Limited Company, based in Shanghai, People's Republic of China. RIAM US and such affiliates are referred to collectively, as “Robeco.”