Broadcom Inc. signed a multi-year agreement with Apple Inc. to develop custom high-performance analog and mixed-signal chips. This deal extends the technology collaboration through 2031.

Broadcom shares rose over 4% in pre-market trading following the SEC disclosure. Analysts estimate that Apple accounts for approximately 20% of Broadcom’s annual revenue.

The partnership focuses on radio frequency chips and wireless connectivity components for multiple product generations. This long-term agreement provides investors with significant revenue visibility.