S&P upgrades Packaging Corp. rating to BBB+ on low leverage
S&P Global Ratings upgraded Packaging Corp. of America (PKG) to 'BBB+' from 'BBB', citing sustained leverage below 2.0x despite its $1.8B acquisition of Greif's containerboard business. The company expects $60M in annual synergies by 2027. S&P forecasts adjusted leverage at 1.7x by year-end, falling to 1.4x in 2027, with revenue growth in mid- to high-single digits in 2027.
How this was made
The 30-second read
Why it matters
The rating upgrade reflects sustained low leverage and expected $60 million annual synergies, which could improve earnings stability and attract credit‑focused investors.
Market read
PKG's credit upgrade is a fresh catalyst that may influence its stock price and sector sentiment.
What to watch
Potential operational disruptions from gas turbine installations and future interest rate hikes could pressure leverage.
Background
Packaging Corp. of America (PKG) completed a $1.8 billion acquisition of Greif's containerboard business in September 2025, financing it with term loans, cash, and unsecured notes.
Ticker impact
S&P upgraded Packaging Corp. of America to BBB+ citing leverage below 2.0x after its Greif acquisition.
Potential short-term upside as investors reprice credit risk.
Upgrade reflects improved leverage and synergy expectations, a material credit improvement for a mid-cap issuer.
Market effects
May lift sentiment for the packaging and containerboard sector as a peer shows credit improvement.
Limited to U.S. markets where PKG trades.
Minimal global impact beyond sector peers.
Counterpoint
The upgrade may be premature if integration risks from the Greif acquisition materialize.
Key entities
- Rating AgencyS&P Global Ratings
Upgraded PKG to BBB+ from BBB.
- SellerGreif
Seller of the containerboard business acquired by PKG.
