Fundamental Insights.Systematic Implementation.Economic Adaption.

Unlike mutual funds, ETFs may trade at a premium or discount to their net asset value. The ETFs are new and have limited operating history to judge.

Harbor AlphaEdge™ Small Cap Core ETF

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. Stocks of small cap companies pose special risks, including possible illiquidity and greater price volatility than stocks of larger, more established companies. The Fund utilizes a quantitative model and there are limitations in every quantitative model. There can be no assurances that the strategies pursued or the techniques implemented in the quantitative model will be profitable, and various market conditions may be materially less favorable to certain strategies than others.

The Russell 2000® Index measures the performance of the small‑cap segment of the US equity universe. It is a subset of the Russell 3000® and includes approximately 2000 of the smallest securities based on a combination of their market cap and current index membership. The Russell 2000® Index and Russell® are trademarks of Frank Russell Company.

Harbor AlphaEdge™ Small Cap Value ETF

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. Stocks of small cap companies pose special risks, including possible illiquidity and greater price volatility than stocks of larger, more established companies. Undervalued securities may take long to appreciate or never reach full value, and value investing may underperform at times compared to other styles. The Fund utilizes a quantitative model and there are limitations in every quantitative model. There can be no assurances that the strategies pursued or the techniques implemented in the quantitative model will be profitable, and various market conditions may be materially less favorable to certain strategies than others.

The Russell 2000® Value Index is an unmanaged index representing the smallest 2000 stocks with the lowest price‑to‑book ratio and future earnings. The Russell 2000® Value Index and Russell® are trademarks of Frank Russell Company.

Harbor AlphaEdge™ Mid Cap Growth ETF

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. Stocks of small cap companies pose special risks, including possible illiquidity and greater price volatility than stocks of larger, more established companies. At times, a growth investing style may be out of favor with investors which could cause growth securities to underperform value or other equity securities. The Fund utilizes a quantitative model and there are limitations in every quantitative model. There can be no assurances that the strategies pursued or the techniques implemented in the quantitative model will be profitable, and various market conditions may be materially less favorable to certain strategies than others.

The Russell 2000® Growth Index is an unmanaged index representing the smallest 2000 stocks with the highest price‑to‑book ratio and future earnings. The Russell 2000® Growth Index and Russell® are trademarks of Frank Russell Company.

Harbor AlphaEdge™ Mid Cap Core ETF

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. Stocks of mid cap companies pose special risks, including possible illiquidity and greater price volatility than stocks of larger, more established companies. The Fund utilizes a quantitative model and there are limitations in every quantitative model. There can be no assurances that the strategies pursued or the techniques implemented in the quantitative model will be profitable, and various market conditions may be materially less favorable to certain strategies than others.

The Russell Midcap® Index is an unmanaged index generally representative of the U.S. market for medium capitalization stocks. The Russell Midcap® Index and Russell® are trademarks of Frank Russell Company.

Harbor AlphaEdge™ Mid Cap Growth ETF

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. Stocks of mid cap companies pose special risks, including possible illiquidity and greater price volatility than stocks of larger, more established companies. At times, a growth investing style may be out of favor with investors which could cause growth securities to underperform value or other equity securities. The Fund utilizes a quantitative model and there are limitations in every quantitative model. There can be no assurances that the strategies pursued or the techniques implemented in the quantitative model will be profitable, and various market conditions may be materially less favorable to certain strategies than others.

The Russell Midcap® Growth Index is an unmanaged index generally representative of the U.S. market for medium capitalization growth stocks. The Russell Midcap® Growth Index and Russell® are trademarks of Frank Russell Company.

Harbor AlphaEdge™ Mid Cap Value ETF

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. Stocks of mid cap companies pose special risks, including possible illiquidity and greater price volatility than stocks of larger, more established companies. Undervalued securities may take long to appreciate or never reach full value, and value investing may underperform at times compared to other styles. The Fund utilizes a quantitative model and there are limitations in every quantitative model. There can be no assurances that the strategies pursued or the techniques implemented in the quantitative model will be profitable, and various market conditions may be materially less favorable to certain strategies than others.

The Russell Midcap® Value Index is an unmanaged index generally representative of the U.S. market for medium capitalization value stocks. The Russell Midcap® Value Index and Russell® are trademarks of Frank Russell Company.

Harbor AlphaEdge™ Large Cap Value ETF

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. Stocks perceived as undervalued might not appreciate or realize their full potential, and value‑oriented investments may underperform other equity styles at times. The Fund may not perfectly track its Index due to differences in securities held, transaction costs, or uninvested cash. Legal or regulatory constraints can also affect tracking accuracy, particularly during volatile markets. The Fund aims to track the Index without defensive strategies, which could lead to underperformance compared to funds that actively adjust their portfolios. Errors or flaws in the Index's methodology or data may have adverse impact the Fund's performance.

The Harbor AlphaEdge™ Large Cap Value Index is comprised of a subset of securities within the US equity market that are determined to be attractively valued while exhibiting strong fundamental characteristics. The index is constructed using a proprietary rules‑based stock selection model developed by the Index Sponsor and weighted using an optimization approach.

The Russell 1000® Value Index is an unmanaged index generally representative of the U.S. market for larger capitalization value stocks. The Russell 1000® Value Index and Russell® are trademarks of Frank Russell Company.

Indices listed are unmanaged and do not reflect fees and expenses and are not available for direct investment.

The views expressed herein may not be reflective of current opinions, are subject to change without prior notice, and should not be considered investment advice or a recommendation to purchase a particular security.