Form 497VPU SEPARATE ACCOUNT A OF

Supplement dated May 23, 2022 to the Initial Summary Prospectus, Updating Summary Prospectus, and Statutory Prospectus dated May 1, 2022, for

the Pacific Advisory Variable Annuity contracts issued by Pacific Life & Annuity Company

The purpose of this supplement is to announce various underlying fund changes. This supplement must be preceded or accompanied by the Initial Summary Prospectus, Updating Summary Prospectus, or Statutory Prospectus (the “Prospectus”) for your Contract, as supplemented. All information on your Prospectus dated May 1, 2022, remains in effect unless otherwise supplemented. Capitalized terms used in this supplement are defined in your Prospectus unless otherwise defined herein. ‘‘We,’’ ‘‘us,’’ or ‘‘our’’ refer to Pacific Life & Annuity Company; ‘‘you’’ or ‘‘your’’ refer to the Contract Owner. You can obtain a copy of the current Prospectus by contacting us at (800) 748-6907, or online at PacificLife.com/Prospectuses. Please retain it for future reference.

The following fund information in the APPENDIX: FUNDS AVAILABLE UNDER THE CONTRACT section will be deleted and replaced with the following:

Form No. NYPAVASUP0522