GiveRate / All records / Forbes 400 (Sept. 2026) / Paul Foster
Paul Foster
1–5%
Paul Foster has given an estimated 1–5% of current net worth ($5.3B), based on Forbes' philanthropy score.
- GiveRate
- 1–5%
- Net worth
- $5.3B
- Stated lifetime giving
- Not stated
- Forbes 400
- #318 · Oil refining · El Paso, Texas
- Status
- Source-reported range
- Sources
- Forbes 400 profile · Sept. 2026
The math
Forbes philanthropy score 2 of 5: lifetime giving is 1–5% of current net worth. The range is Forbes' own banding; GiveRate shows it as published.
Profile
- Age
- 68
- Residence
- El Paso, Texas
- Industry
- Energy
- Source of wealth
- Oil refining
- Self-made
- Yes
- Role
- Chairman, Western Refining
- One-year change
- $4.2B (#352) in Sept. 2025 to $5.3B (#318) in Sept. 2026, a gain of 26%.
What the range means in dollars
Forbes gives Paul Foster a philanthropy score of 2 out of 5, meaning lifetime giving equals 1% to 5% of current net worth. On a $5.3B fortune, that implies lifetime giving of roughly between $53M and $265M. 138 of the 400 share this score, 177 score lower and 68 score higher.
For scale: 1% to 5% of a $50,000 household income would be $500 to $2,500.
Others in Energy
- Lyndal Stephens Greth & family: Not scored · $30.0B
- Harold Hamm & family: 1–5% · $19.0B
- George Kaiser: 10–20% · $16.5B
- Jeffery Hildebrand: 1–5% · $14.7B
- Robert Pender: Under 1% · $14.3B
- Michael Sabel: Under 1% · $14.3B
Others in Texas
- Elon Musk: Under 1% · $908B
- Michael Dell: 1–5% · $263B
- Alice Walton: 1–5% · $118B
- Elaine Marshall & family: Under 1% · $32.2B
- Lyndal Stephens Greth & family: Not scored · $30.0B
- Stanley Kroenke: Under 1% · $27.6B
Questions
How much has Paul Foster given to charity?
Forbes scores Paul Foster 2 of 5 for philanthropy, meaning lifetime giving of 1% to 5% of net worth, roughly between $53M and $265M on a $5.3B fortune.
What is Paul Foster's net worth?
Forbes estimates $5.3B as of September 2026, ranking #318 on the Forbes 400.
What is Paul Foster's GiveRate?
1–5%. GiveRate is lifetime giving as a share of wealth, built from published Forbes figures. See giverate.org/methods/ for the method.

GiveRate is an estimate built only from the published figures above. Wealth and giving totals are themselves estimates. See methods. Spot an error? Request a correction. See all Forbes 400 (Sept. 2026) · Open in the interactive rankings · Calculate your own GiveRate