Deal Flow
Letter · prints on one page
Transaction tear sheetData as of Nov 7, 2026
M&A · Energy · Crude Petroleum & Natural Gas

Oasis Petroleum Inc. to acquire Whiting Petroleum Corp

Announced Mar 8, 2022 · Closed Jul 1, 2022

Deal value$3.52BEV $3.48B
Premium—To unaffected price
EV / Adj. EBITDA5.2x2.3x EV / Revenue
ConsiderationCash and stock$89.68 per share

Transaction

Acquirer
Oasis Petroleum Inc.
Target
Whiting Petroleum Corp
Buyer type
Strategic
Offer price per share
$89.68
Enterprise value
$3.48B
Status
Closed Jul 1, 2022

Deal protections

Break fee (target pays)
—
Reverse fee (buyer pays)
$98.0M · 2.8%
Go-shop
No-shop
Financing
—

Advisors

To the acquirer
Tudor, Pickering, Holt
To the target
Citigroup
Citigroup fee
$16.5M

Sector context · Energy

Comparable deals
28 in the prior 24 months
Premium
Sector median 25.1%
EV / Adj. EBITDA
5.2x vs. 13.3x sector median
Break fee
Sector median 2.6%

Timeline

  1. AnnouncedMar 8, 2022
  2. Proxy filedMay 24, 2022
  3. Definitive proxyMay 24, 2022
  4. Shareholder voteJun 28, 2022
  5. ClosedJul 1, 2022

Valuation · fairness opinions

Trading comparables$113.82$163.51
Trading comparables$142.68$202.01
Trading comparables$97.76$134.09
Trading comparables$79.10$159.23
Trading comparables$132.86$216.99
Trading comparablesCitigroup$89.85$110.45
Trading comparablesCitigroup$100.15$123.05
Trading comparablesCitigroup$58.85$71.90
Trading comparablesCitigroup$61.30$74.90
Trading comparablesCitigroup$77.15$94.30
Offer $89.68

Implied value per Whiting Petroleum Corp share by analysis · DCF discount rate 8.5%–11%.

Sources
  • 8-K · Mar 8, 2022

Adj. EBITDA is operating income + D&A + impairment, restructuring, deal costs and stock compensation, less any large gain on a sale, last twelve months, from the target's filings. Calculated by Castle, so it can differ from a bank's adjusted figure.

Prepared with Castle from public SEC EDGAR filings. Figures are extracted automatically; verify against the source documents. Not investment advice.