The Lexington Letter PDF: 5 Shocking Lumon Secrets Revealed In The Severance Companion Book

The Lexington Letter is not just a free companion e-book; it is a vital, canon document that functions as the single greatest source of pre-show lore for the world of Apple TV+'s Severance. Released by the show's creators, this short but chilling text provides a crucial backstory to the sinister operations of Lumon Industries, detailing a successful, though ultimately tragic, attempt at innie/outie communication that predates Mark Scout’s journey. As of December 14, 2025, with the anticipation for Severance Season 2 at an all-time high, revisiting this document is essential for any fan seeking to understand the full scope of Kier Eagan’s empire and the dark fates awaiting severed employees.

The document—often sought after as the Lexington Letter PDF—is formatted as a letter from a former severed employee to a journalist, exposing the company’s secrets, and is a must-read for deep-cut details on Lumon's workplace policies, the Macrodata Refinement (MDR) department, and the terrifying consequences for those who rebel. It confirms many fan theories and introduces entirely new layers of dread to the severance procedure.

Margaret "Peg" Kincaid: The Tragic Biography of Lumon's First Whistleblower

The core of The Lexington Letter is the story of Margaret "Peg" Kincaid, the "outie" who wrote the document. Peg is the protagonist and author of the central letter, which is sent to a journalist at *The Topeka Star*.

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• Full Name: Margaret "Peg" Kincaid.
• Occupation (Outie): Former school bus driver. She was initially drawn to the severance procedure as a way to escape her personal life.
• Innie Name: Peggy.
• Lumon Department: Macrodata Refinement (MDR).
• Tenure at Lumon: Peg states she worked at Lumon for two years before the events of the letter began.
• The Rebellion: Peg and her innie, Peggy, successfully communicated by passing notes back and forth for three to four weeks. This was possible because the "code detectors" in place at the time were less sophisticated than those seen in the main series.
• The Letter Date: Peg's letter to journalist Daria Thorne is dated November 10th.
• Tragic Fate: Peg died on November 11th, the day after writing the letter, in what was officially ruled an "accident." Her death strongly suggests that Lumon discovered her communication and silenced her, proving the deadly consequences for those who attempt to expose the company.

The Shocking Jim Milchick Connection and the Canon Timeline

One of the most significant revelations in the companion e-book is a direct link to a familiar face from the show, confirming a deeper, more unsettling conspiracy at play. The final section of the document is a series of emails between the journalist, Daria Thorne, and her editor at *The Topeka Star*.

The Editor's Name: Jim Milchick

The editor who receives Daria Thorne's email—which includes Peg Kincaid's damning letter—is signed off as "Jim Milchick, Editor." This name immediately raises red flags for *Severance* fans, as it is the same name as the Lumon Industries supervisor, Mr. Milchick, who is known for his unnervingly cheerful and controlling demeanor.

The implication is chilling: the man responsible for managing the Macrodata Refinement floor and upholding Lumon's control is either the same person who infiltrated a major news outlet, or a relative with deep ties to the company. This suggests that Lumon's influence extends far beyond the severed floor, potentially infiltrating the very media outlets meant to hold them accountable. The editor Jim Milchick ultimately dismisses the letter as not worth pursuing, effectively burying Peg's story.

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The Pre-Show Timeline and Lumon Code Detectors

The events of *The Lexington Letter* are confirmed to be canon but take place "some years before" the main events of *Severance* Season 1. This temporal placement is crucial for understanding the evolution of Lumon's security protocols. Peg and Peggy were successful in their note-passing for a period because the company's anti-communication technology—the code detectors—were less effective at the time. This explains why Mark, Helly, and Dylan face much stricter, seemingly foolproof security measures in the present-day narrative. Peg's tragic failure likely led to the development of the more robust, high-security systems seen in the show, making her a martyr for the innie cause.

4 Critical Lumon Industries Details Revealed in the MDR Orientation Booklet

Attached to Peg Kincaid's letter is a copy of the Macrodata Refiner's Orientation Booklet, which offers an unprecedented look into the bizarre, cult-like rules and regulations of Lumon Industries. This section, in particular, is rich with topical authority and LSI keywords, fleshing out the world beyond the four main MDR employees.

1. The Full Severance Procedure Overview

The booklet includes an official, sanitized overview of the severance procedure itself. It pitches the surgery as an "effortless way to separate her personal and work lives," reinforcing the company's public narrative of the chip as a benefit, not a tool for control. It details the process of how to refine a file, the incentives offered, and the expected behavior of severed employees.

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2. Bizarre Workplace Policies and Hygiene Rules

The document goes into detail about Lumon's strict and often nonsensical workplace policies, which go far beyond standard corporate guidelines. These include specific rules on the office dress code, expected hygiene practices, and severe restrictions on cross-department fraternization and communication. One particularly unsettling detail is the instruction for severed employees to wash their hands with Lumon-brand soap, suggesting a complete, pervasive control over every aspect of the innies' environment, down to the products they use.

3. The Early Stages of Macrodata Refinement

The letter provides a glimpse into the early operational stages of the Macrodata Refinement department. It outlines the step-by-step instructions on how to "refine a file," a task that remains intentionally vague and meaningless to the innies. The booklet reinforces the idea that the work is sacred and tied directly to the legacy of Kier Eagan, the founder of Lumon, instilling a sense of religious devotion to their meaningless tasks. The mystery surrounding the numbers and files is deepened by this early document.

4. The Perpetuity Wing and Eagan Family Lore

While the letter itself focuses on Peg's experience, the contextual materials and the overall narrative reinforce the importance of the Perpetuity Wing and the Eagan family history. The cult-like reverence for Kier Eagan and his successors is woven into the fabric of the orientation materials, demonstrating that the psychological manipulation and control are foundational to the company's structure, not just a recent development. Peg's realization of the "sinister goings-on" at Lumon is directly tied to the discrepancy between the company's benevolent image and the terrifying reality of her innie's existence.

How The Lexington Letter Sets Up Severance Season 2

As fans eagerly await the return of the series, likely in 2026, *The Lexington Letter* serves as a crucial piece of canon lore that frames the stakes for Mark, Helly, and the other MDR team members.

The letter's existence proves that the "waking up" moments—like the Overtime Contingency—are not the first successful attempts at innie resistance. Peg and Peggy's note-passing was a successful, though short-lived, act of defiance. This establishes a history of rebellion within Lumon and confirms that the company has a playbook for dealing with such uprisings, which invariably ends with the rebel being silenced, as demonstrated by Peg's untimely "accident."

Furthermore, the Jim Milchick connection is a ticking time bomb. If the editor Jim Milchick is the same Mr. Milchick from Lumon (or a direct family member), it suggests that Lumon has an active, deep-cover intelligence operation dedicated to suppressing external information. This adds a terrifying layer to the outies' attempts to expose Lumon, as their efforts may be compromised before they even begin. The letter is a stark warning: the price of silence is high, but the price of speaking out is deadly.