This is an 8-K filing under Item 7.01 (Regulation FD Disclosure) for Union Pacific Corporation The filing covers comments made by Jennifer L. Hamann, Executive VP and CFO, at the Morgan Stanley 13th Annual Laguna Conference on September 10, 2025 Hamann provided third quarter 2025 commentary with three key points: - Continued network fluidity is expected to drive strong productivity - Company…

Our analysis rates this filing CAUTIOUS. The elevated concern level reflects significant merger-related uncertainties and financial constraints. While the company maintains operational confidence, the temporary suspension of share buybacks and anticipated merger expenses create near-term financial…

Concern level: HIGH (6.5/10). Key factors: Merger-related expenses of $50 million creating financial pressure; Share repurchase suspension limiting financial flexibility; Cautious management tone with sentiment score of 0.45.

Notable risk changes: Merger with Norfolk Southern creating operational and financial uncertainties; Share repurchase program temporarily halted due to merger agreement; Expecting continued network fluidity but with cautious volume outlook.

The model predicts UNP will underperform the S&P 500 by about 0.0% over 30 days (model confidence 50%). This is model analysis for research, not investment advice.