Ratification of the new deal is expected to take place Friday, and the contract will run from Saturday through Sept. 20, 2027.
A four-year contract that included pandemic-related pay cuts through August 2023 was due to expire this week.
The philharmonic is in the first of two seasons without a music director. Jaap van Zweden left at the end of the 2023-24 season and Gustavo Dudamel starts in 2026-27. The philharmonic also is searching for a CEO following the abrupt departure of Gary Ginstling in July after one year.