Deal Flow
Letter · prints on one page
Transaction tear sheetData as of Nov 7, 2026
M&A · Energy · Drilling Oil & Gas Wells

Noble Corp plc to acquire Diamond Offshore Drilling, Inc.

Announced Jun 10, 2024 · Closed Sep 4, 2024

Deal value$1.59BEV $1.98B
Premium11.4%To unaffected price
EV / Adj. EBITDA—1.8x EV / Revenue
ConsiderationCash and stock$15.52 per share

Transaction

Acquirer
Noble Corp plc (NE)
Target
Diamond Offshore Drilling, Inc. (DO)
Buyer type
Strategic
Offer price per share
$15.52
Enterprise value
$1.98B
Status
Closed Sep 4, 2024

Deal protections

Break fee (target pays)
$60.0M · 3.8%
Reverse fee (buyer pays)
—
Go-shop
No-shop
Financing
Committed · Morgan Stanley

Advisors

To the acquirer
Morgan Stanley, Wells Fargo
To the target
Guggenheim, Perella Weinberg
Guggenheim fee
$2.0M

Sector context · Energy

Comparable deals
40 in the prior 24 months
Premium
11.4% vs. 17.0% sector median
EV / Adj. EBITDA
Sector median 7.1x
Break fee
3.8% vs. 2.9% sector median

Timeline

  1. AnnouncedJun 10, 2024
  2. Proxy filedJul 25, 2024
  3. Definitive proxyJul 25, 2024
  4. Shareholder voteAug 27, 2024
  5. ClosedSep 4, 2024

Valuation · fairness opinions

Discounted cash flowGuggenheim$16.03$21.05
Discounted cash flowGuggenheim$16.64$19.38
Trading comparablesGuggenheim$13.60$24.89
Discounted cash flowGuggenheim$49.91$64.75
Discounted cash flowGuggenheim$49.95$57.03
Trading comparables$39.23$48.44
Trading comparables$46.14$56.66
Trading comparables$39.54$49.97
Trading comparables$44.07$55.39
Trading comparables$42.60$45.53
Offer $15.52

Implied value per Diamond Offshore Drilling, Inc. share by analysis, from Guggenheim.

Sources
  • 8-K (EX-99.1) · Jun 10, 2024
  • 425 (EX-99.1) · Jun 10, 2024
  • 425 (EX-99.1) · Jun 10, 2024

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.