| AB VARIABLE PRODUCTS SERIES FUND, INC. |
| - AB VPS Sustainable Global Thematic Portfolio |
| Class A; Class B |
| - AB VPS Sustainable International Thematic Portfolio |
| Class A; Class B |
| (each, a “Portfolio”, and together, the “Portfolios”) |
Supplement dated October 31, 2023 to the Portfolios’ Prospectuses and Summary Prospectuses dated May 1, 2023, as amended.
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The following replaces certain information under the heading “Portfolio Manager[s]” in the summary section of the Prospectuses and Summary Prospectuses for the following Portfolios:
AB VPS Sustainable Global Thematic Portfolio
PORTFOLIO MANAGERS
The following table lists the persons responsible for day-to-day management of the Portfolio’s portfolio:
| Employee | Length of Service | Title |
| Daniel C. Roarty | Since 2013 | Senior Vice President of the Adviser |
| Benjamin Ruegsegger | Since October 2023 | Senior Vice President of the Adviser |
AB VPS Sustainable International Thematic Portfolio
PORTFOLIO MANAGERS
The following table lists the persons responsible for day-to-day management of the Portfolio’s portfolio:
| Employee | Length of Service | Title |
| Daniel C. Roarty | Since 2012 | Senior Vice President of the Adviser |
| Benjamin Ruegsegger | Since October 2023 | Senior Vice President of the Adviser |
* * * * *
The following replaces certain information under the heading “Management of the Portfolios – Portfolio Managers” in the Prospectuses for the following Portfolios:
AB VPS Sustainable Global Thematic Portfolio
The following table lists the persons within the Sustainable Thematic Equities Investment Team with the most significant responsibility for the day-to-day management of the Portfolio’s portfolio, the length of time that each person has been jointly and primarily responsible for the Portfolio, and each person’s principal occupation during the past five years:
| Employee; Length of Service; Title |
Principal Occupation(s) During the Past Five (5) Years |
| Daniel C. Roarty; since 2013; Senior Vice President of the Adviser | Senior Vice President of the Adviser, with which he has been associated in a substantially similar capacity as a portfolio manager since prior to 2018, and Chief Investment Officer of the Sustainable Thematic Equities Team. |
| Benjamin Ruegsegger; since October 2023; Senior Vice President of the Adviser | Senior Vice President and Portfolio Manager of the Adviser, with which he has been associated in a substantially similar capacity to his current position since prior to 2018. He has also been a Senior Research Analyst of the Adviser since prior to 2018. |
AB VPS Sustainable International Thematic Portfolio
The following table lists the persons within the Sustainable Thematic Equities Investment Team with the most significant responsibility for the day-to-day management of the Portfolio’s portfolio, the length of time that each person has been jointly and primarily responsible for the Portfolio, and each person’s principal occupation during the past five years:
| Employee; Length of Service; Title |
Principal Occupation(s) During the Past Five (5) Years |
| Daniel C. Roarty; since 2012; Senior Vice President of the Adviser | See above. |
| Benjamin Ruegsegger; since October 2023; Senior Vice President of the Adviser | See above. |
The Statement of Additional Information is revised, as applicable, to incorporate changes conforming to this Supplement.
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This Supplement should be read in conjunction with the Prospectuses for the Portfolios.
You should retain this Supplement with your Prospectus(es) for future reference.
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