Filed by Factorial Inc.

Pursuant to Rule 425

under the Securities Act of 1933, as amended

and deemed filed pursuant to Rule 14a-12

under the Securities Exchange Act of 1934, as amended

Subject Company: Cartesian Growth Corporation III

(Commission File No. 001-42629)

Set forth below is a news article first made available on March 18, 2026. As reproduced below, certain statements have been revised for accuracy, with such revisions indicated in bold and underlined.

Sentence:

Korea, U.S. must strike together to beat China in battery race, says Factorial Energy CEO 

Correction:

Korea, U.S. must strike together to compete with China in battery race, says Factorial Energy CEO

Sentence:

Factorial Energy conducted test driving of a Mercedes-Benz EQS equipped with the company’s solid-state batteries last year, and confirmed to achieve a driving range of more than 1,205 kilometers on a single charge. 

Correction:

Mercedes-Benz conducted test driving of modified EQS test vehicle equipped with the Factorial’s solid-state battery cells last year, and confirmed to achieve a driving range of more than 1,205 kilometers on a single charge. 

Sentence:

Cathode materials produced by Posco Future M are expected to be used in the solid-state battery slated for supercar scheduled to debut next year.

Note:

Factorial cannot comment on the materials being used for the super car.

Sentence:

Factorial Energy operates a solid-state battery pilot plant in Cheonan.  The facility recently completed an expansion, with additional investment planned 

Correction: Factorial Energy operates a solid-state battery pilot plant in Cheonan. As demand in high-spec applications increase, we are expanding and investing in a new fabrication line - expected for drone and aerospace applications.