Deal Flow
Letter · prints on one page
Transaction tear sheetData as of Nov 7, 2026
M&A · Financials · State Commercial Banks

First Interstate Bancsystem Inc to acquire Great Western Bancorp, Inc.

Announced Sep 20, 2021 · Closed Feb 1, 2022

Deal value$2.00B
Premium—To unaffected price
EV / Adj. EBITDA—
ConsiderationAll stock$35.65 per share

Transaction

Acquirer
First Interstate Bancsystem Inc (FIBK)
Target
Great Western Bancorp, Inc.
Buyer type
Strategic
Offer price per share
$35.65
Enterprise value
—
Status
Closed Feb 1, 2022

Deal protections

Break fee (target pays)
$70.0M · 3.5%
Reverse fee (buyer pays)
$105M · 5.3%
Go-shop
No-shop
Financing
—

Advisors

To the acquirer
Stifel, Barclays
To the target
Piper Sandler

Sector context · Financials

Comparable deals
54 in the prior 24 months
Premium
Sector median 35.9%
EV / Adj. EBITDA
Sector median 21.6x
Break fee
3.5% vs. 3.7% sector median

Timeline

  1. AnnouncedSep 20, 2021
  2. Proxy filedDec 16, 2021
  3. Definitive proxyDec 16, 2021
  4. Shareholder voteJan 19, 2022
  5. ClosedFeb 1, 2022

Valuation · fairness opinions

Precedent transactionsPiper Sandler$23.50$34.07
Precedent transactionsPiper Sandler$24.74$34.11
Discounted cash flowStifel$34.82$44.74
Offer $35.65

Implied value per Great Western Bancorp, Inc. share by analysis, from Piper Sandler and Stifel · DCF discount rate 9.5%–13.5%.

Sources
  • 8-K · Sep 20, 2021

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.