Common Stock, par value $0.00001 per share

Galecto, Inc.

75 State Street, Suite 100, Boston, MA, 02109

Novo Holdings A/S, a Danish corporation, is an investment firm focused on life sciences and finance that is wholly owned by Novo Nordisk Foundation (the "Foundation"), a Danish commercial foundation. Novo Holdings A/S is the holding company in the group of Novo companies, currently comprised of Novo Nordisk A/S and Novozymes A/S (trade name: Novonesis A/S), and is responsible for managing the Foundation's assets, including its financial assets. Based on the governance structure of Novo Holdings A/S and the Foundation, the Foundation is not deemed to have any beneficial ownership of the securities of the Issuer held by Novo Holdings A/S. The name of each director and executive officer of both Novo Holdings A/S and the Foundation is set forth on the updated Schedule I to this Amendment No. 4.

The business address of both Novo Holdings A/S and the Foundation is Tuborg Havnevej 19, 2900 Hellerup, Denmark. The residence or business address of each director and executive officer of both Novo Holdings A/S and the Foundation is set forth on the updated Schedule I to this Amendment No. 4.

Novo Holdings A/S, a holding company that is responsible for managing the Foundation's assets, provides seed and venture capital to development stage companies and invests in well established companies within the life science and biotechnology sector. The Foundation is a Danish self-governing and profit-making foundation, whose objectives are to provide a stable basis for commercial and research activities undertaken by the group of Novo companies and to support scientific, humanitarian and social purposes through grants.

Within the last five years, neither Novo Holdings A/S, the Foundation, nor any person named in the updated Schedule I was a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

Denmark

Novo Holdings A/S beneficially owns 86,579 shares of Common Stock representing approximately 6.5% of the Issuer's outstanding shares of Common Stock, based upon 1,324,560 shares of the Common Stock outstanding as of August 1, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the SEC on August 5, 2025.

Novo Holdings A/S is a Danish corporation wholly owned by the Novo Nordisk Foundation. Novo Holdings A/S has the sole power to vote and dispose of the Novo Shares. Neither the Foundation nor any person listed on the updated Schedule I has the power to direct the vote as to, or the disposition of the Novo Shares.

Except as described below, Novo Holdings A/S has not effected any transactions in the Issuer's Common Shares within the past 60 days and neither the Foundation nor any person listed on the updated Schedule I has effected any transactions in the Issuer's Common Shares within the past 60 days. On September 23, 2025, Novo Holdings A/S sold an aggregate of 13,334 shares of Common Stock in open market transactions at prices ranging from $4.00 to $4.85 (weighted average sales price of $4.2295 per share).

Novo Holdings A/S does not know of any other person having the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Novo Shares.

Not applicable.