Here's the punishments they received: "In all, the conduct of 57 Secret Service personnel was reviewed, including 11 at the SES [Senior Executive Service] level. Of those, 41 are receiving some level of discipline. This discipline includes a letter of reprimand to one individual, suspended discipline contingent on no further misconduct for a period of five years, and suspensions from duty without pay for periods of up to 45 days. The one individual found by the Inspector General to have disclosed the private information to an outside source, the Washington Post, has resigned from the Secret Service."

In contrast:

"On June 14, 2013, United States federal prosecutors filed a criminal complaint against Snowden, charging him with theft of government property, and two counts of violating the Espionage Act through unauthorized communication of national defense information and "willful communication of classified communications intelligence information to an unauthorized person." Each of the three charges carries a maximum possible prison term of ten years. The charge was initially secret and was unsealed a week later."[1]

"After making his concerns about mistreatment of whistleblowers known to his superiors, Crane was removed from his position in 2013."[2]

"In April 2010, Drake was indicted by a Baltimore, Maryland grand jury on the following charges: 1) Willful Retention of National Defense Information 18 U.S.C. § 793(e) (5 counts) (793(e) is a modification of the Espionage Act of 1917 made under the McCarran Internal Security Act of 1950), 2) Obstructing justice 18 U.S.C. § 1519 (1 count), and 3) Making a False Statement 18 U.S.C. § 1001(a) (4 counts)"[3]

[1] https://en.wikipedia.org/wiki/Edward_Snowden#Criminal_charge...

[2] https://en.wikipedia.org/wiki/John_Crane_(government_officia...

[3] https://en.wikipedia.org/wiki/Thomas_Andrews_Drake#Indictmen...