---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-014217"
form_type: "8-K"
ticker: "AWI"
cik: "0000007431"
company_name: "ARMSTRONG WORLD INDUSTRIES INC"
filed_at: "2023-04-25T23:59:59+00:00"
generated_at: "2026-06-16T17:33:07.436630+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Armstrong World Q1 net sales up 10% to $310.2M; adj. EPS up 10% to $1.12

## Summary
- Net sales of $310.2M, +10% YoY; operating income $70.2M (+11%); diluted EPS $1.04 (+11%).
- Adjusted EBITDA $96M (+9%); adjusted diluted EPS $1.12 (+10%).
- Mineral Fiber sales +12% to $228.4M on 9% volume growth; Architectural Specialties +3% to $81.8M.
- Cash flow from operations and investing up 46%; adjusted free cash flow up 52%.
- Maintains 2023 guidance: net sales $1.26-1.31B, adj. EBITDA $395-420M, adj. diluted EPS $4.80-$5.05.

## SEC filing metadata
- accession: 0000950170-23-014217
- form_type: 8-K
- ticker: AWI
- cik: 0000007431
- company_name: ARMSTRONG WORLD INDUSTRIES INC
- filed_at: 2023-04-25T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/7431/000095017023014217/0000950170-23-014217-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/7431/000095017023014217/awi-20230425.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-014217
- JSON: https://secwatch.observer/filing/0000950170-23-014217.json
- Plain text: https://secwatch.observer/filing/0000950170-23-014217.txt

## Key facts
- Earnings Releases
  ARMSTRONG WORLD INDUSTRIES INC reported For the three months ended March 31, 2023 results: revenue $ 310.2, net income $ 47.3, EPS $ 1.04.
  - Period: For the three months ended March 31, 2023
  - Revenue: $ 310.2
  - Net income: $ 47.3
  - EPS: $ 1.04
  - Result: reported results
  source text: For the Three Months Ended March 31, 2023 2022 Change Net sales $ 310.2 $ 282.6 9.8% Operating income $ 70.2 $ 63.2 11.1% Net earnings $ 47.3 $ 44.4 6.5% Diluted net earnings per share $ 1.04 $ 0.94 10.6%
  evidence_url: https://www.sec.gov/Archives/edgar/data/7431/000095017023014217/0000950170-23-014217-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.