Packaging Corporation of America’s (PCA) Boise paper business achieved what PCA CEO Mark Kowlzan called “outstanding” results in the first quarter of 2023. Boise’s Q1 revenue was $150.9 million. This was actually a year-on-year decline of 1.7% as volumes fell by 23,000 tons (21,000 tonnes), or 17%, compared with the same quarter in 2022. Last