ALBAlbemarle Corporation

We note that your Performance Chemicals segment accounted for approximately 44% of your net sales in 2015. Within the segment, you have distinguished three product categories and several product lines within the categories. Please tell us how you evaluated whether the products in a product category are a class of similar products for purposes of Item 101(c)(i) of Regulation S-K.

Rest of the question

If any class of similar products within the Performance Chemicals segment or other segments accounted for 10 percent or more of your consolidated revenue in any of the last three fiscal years, please state the amount or percentage of total revenue contributed by that class of similar products.

In response to the Staff’s comment, the three product categories within our Performance Chemicals segment are organized primarily by the unique base materials used to produce the various products, and by the similar resources utilized for sales and production of the products within each category. As such, we have determined the product lines can be grouped into the three product categories based on these criteria for purposes of Item 101(c)(i) of Regulation S-K.

Both the Bromine and Lithium product categories had revenue greater than 10 percent of consolidated revenue in 2015, as well as in

Rest of the answer

2014 and 2013 with respect to the Bromine product category. We respectfully advise the Staff that the amount of revenue by product category for the last three fiscal years is included in Note 25, “Segment and Geographic Area Information” on page 114 of our 2015 Form 10-K. In future Form 10-K filings, we will reference this disclosure in Item 1. Business.

Read in the reply ↗

We note your disclosure stating that, during 2015, you made changes to assumptions related to discount rates and expected rates of return on plan assets. Please expand your disclosure to explain the reasons why your weighted-average expected rate of return on foreign pension plan assets increased to 5.63% in 2015 from 4.00% in 2014.

In response to the Staff’s comment, the weighted-average expected rate of return on foreign pension plan assets increased to 5.63% in 2015 from 4.00% in 2014 due to a change in the concentration of geographic location for foreign pension plan assets. Specifically, the expected rate of return in 2015 is due to a higher concentration of pension plan assets in the U.K., where a majority of the investments are global equity securities with higher expected rates of return.

In future filings we will expand our disclosure appropriately to explain the reasons for material variances in our estimated

Rest of the answer

rates used to value the benefit obligations and the performance of plan assets.

***

We acknowledge that:

•the Company is responsible for the adequacy and accuracy of the disclosure in the filing;

•Staff comments or changes to disclosure in response to Staff comments do not foreclose the Commission from taking any action with respect to the filing; and

•the Company may not assert Staff comments as a defense in any proceeding initiated by the Commission or any person under the federal securities laws of the United States.

The Company appreciates the efforts of the Staff in reviewing our response to your letter of comment. We are fully committed to working with the Commission to respond to your comments and to provide you with all the information you require. Accordingly, should you have any questions regarding the Company’s response to your comments, please contact Scott Tozier at (225) 388-7536.

Read in the reply ↗