Deal Flow
Letter · prints on one page
Transaction tear sheetData as of Nov 7, 2026
M&A · Energy · Pipe Lines (No Natural Gas)

ONEOK Inc to acquire Magellan Midstream Partners, L.P.

Announced May 14, 2023 · Closed Sep 25, 2023

Deal value$18.80BEV $18.80B
Premium22.0%To unaffected price
EV / Adj. EBITDA12.2x5.5x EV / Revenue
ConsiderationCash and stock

Transaction

Acquirer
ONEOK Inc (OKE)
Target
Magellan Midstream Partners, L.P.
Buyer type
Strategic
Offer price per share
—
Enterprise value
$18.80B
Status
Closed Sep 25, 2023

Deal protections

Break fee (target pays)
$275M · 1.5%
Reverse fee (buyer pays)
$450M · 2.4%
Go-shop
No-shop
Financing
Committed · Goldman Sachs

Advisors

To the acquirer
Goldman Sachs, Perella Weinberg
To the target
Morgan Stanley

Sector context · Energy

Comparable deals
34 in the prior 24 months
Premium
22.0% vs. 28.6% sector median
EV / Adj. EBITDA
12.2x vs. 10.2x sector median
Break fee
1.5% vs. 2.8% sector median

Timeline

  1. AnnouncedMay 14, 2023
  2. Proxy filedJul 25, 2023
  3. Definitive proxyJul 25, 2023
  4. Shareholder voteSep 21, 2023
  5. ClosedSep 25, 2023

Valuation · fairness opinions

Premiums paidGoldman Sachs$61.86$75.11
Premiums paidGoldman Sachs$58.64$75.29
Premiums paidGoldman Sachs$66.42$86.68
Premiums paidGoldman Sachs$61.42$76.68
Other analysisGoldman Sachs$69.25$91.53
Discounted cash flowMorgan Stanley$59.00$71.00
Trading comparablesMorgan Stanley$57.00$75.00
Trading comparablesMorgan Stanley$58.00$76.00
Discounted cash flowMorgan Stanley$63.00$78.00
Analyst price targetsMorgan Stanley$61.00$81.00

Implied value per Magellan Midstream Partners, L.P. share by analysis, from Goldman Sachs and Morgan Stanley · DCF discount rate 6%–7.5%.

Sources
  • 8-K · May 15, 2023

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.