Neptune Insurance (NP) investor relations material

Executive summary

• Supplement corrects errors in beneficial ownership disclosures and updates share counts as of April 7, 2026.

• The correct number of Class A Common Stock outstanding as of the record date is 94,895,913, not 94,600,000.

• Total shares and voting power held by executive officers and directors as a group are revised to 11,033,050 shares (11.6% of Class A) and 85.8% of total voting power.

• No changes to the proposals to be acted upon at the annual meeting; prior proxies remain valid unless changed.

Voting matters and shareholder proposals

• No changes to the proposals for the 2026 Annual Meeting; all proposals remain as previously described.

Board of directors and corporate governance

• Updated beneficial ownership for directors and named executive officers, including detailed breakdowns for each individual.

• Voting power is concentrated, with certain directors and officers holding significant control through Class B shares.